Paper coating or binding formulations are provided that comprise aqueous copolymer emulsions including copolymers derived from one or more copolymerizable surfactants of formula I and one or more monomers. The paper coating or binding formulations can include one or more mineral fillers, coating pigments, or mixtures thereof, wherein the total weight concentration of the one or more mineral fillers, coating pigments, or mixtures thereof is 65% or higher, based on the total weight of the composition. Paper products coated with the paper coating or binding formulations, methods of making the paper coating or binding formulations, and methods of making the coated paper products are also disclosed.

A pellet made of aramid pulp and filler material. The pellet has at most 90 weight percent aramid pulp and at least 10 weight percent filler material. A method for manufacturing a pellet that has at most 90 weight percent aramid pulp and at least 10 weight percent filler material.

The disclosure provides a dispersion for making décor paper having improved optical performance without negatively impacting mechanical strength comprising a TiO2 particle slurry comprising a treated TiO2 particle having a surface area of at least about 30 m2/g, and a cationic polymer; wherein the treatment comprises an oxide of silicon, aluminum, phosphorus or mixtures thereof; and the treatment is present in the amount of at least 15% based on the total weight of the treated titanium dioxide particle; paper pulp; and a cationic polymer; wherein the cationic polymer in the slurry and the cationic polymer in the dispersion are compatible; wherein for equal optical performance, the amount of treated TiO2 particle in the dispersion is reduced by about 10% when compared to a dispersion not comprising the treated TiO2 particle of (a). These dispersions are useful in making décor paper that may be used in paper laminates.

Biomass (e.g., plant biomass, animal biomass, and municipal waste biomass) is processed to produce useful products, such as fuels. For example, systems are described that can use feedstock materials, such as cellulosic and/or lignocellulosic materials, to produce ethanol and/or butanol, e.g., by fermentation.

Absorbent members, especially bulked absorbent members, and methods of making the same are disclosed. The absorbent member may be in the form of a unitary absorbent fibrous layer comprising at least some cellulose fibers. The unitary absorbent fibrous layer is at least partially stratified through its thickness. The absorbent member may also have a plurality of discrete deformations, such as depressions and/or apertures in its surfaces. The method involves subjecting a precursor web to at least one cycle (or pass) through a mechanical deformation process. The mechanical deformation process utilizes a first forming member and a second forming member that form a nip therebetween through which the precursor web is passed. The first and second forming members are moving at different speeds relative to each other when they come together to form the nip.

The invention provides methods and compositions for improving the characteristics of paper substrates. The method involves adding to a paper substrate an NCC-polymer. NCC-polymers have unique chemical properties which result in improvements in wet strength, dry strength and drainage retention properties of the paper substrates.

A sheet manufacturing apparatus includes a defibrating unit configured to defibrate a defibration object including at least a fiber, in air. The sheet manufacturing apparatus forms a sheet by adding quantity of heat to a defibrated material defibrated at the defibrating unit. The sheet manufacturing apparatus includes a measuring unit configured to acquire moisture amount information of the defibrated material or the defibration object, and a controller configured to control the quantity of heat to be added to the defibrated material on the basis of the moisture amount information.

A pneumatic tire for improving steering stability performance on dry and wet road surfaces. The tire tread pattern has circumferential center main grooves, outside and inside main grooves, land sections demarcated by the main grooves, ground contact borders on both sides of the tire, and closed shoulder lug grooves. A ratio Wmax/Wout of a maximum main groove width Wmax and an outside main groove width Wout is at between 1.5 and 2.5 inclusive. A ratio Sin/Sout of a groove area ratio Sin of a region on a tire-widthwise second side of a tire centerline and a groove area ratio Sout of a region on a first side of the tire centerline is at least 1.10 and smaller than 1.25. A groove area ratio of a region on the second side of a tire-widthwise centerline of the intermediate land sections exceeds that of a region on the first side.

A non-pneumatic tire for supporting a load by working in tension comprising a generally annular inner surface, a generally annular outer ring, and an interconnected web having a plurality of web elements and comprising a plurality of generally polygonal openings. Web elements are sized, oriented and comprised of a material that facilitates buckling when subjected to a compressive load. By buckling, those elements in a deformed portion of the tire between a hub and a footprint region where the tire contacts a surface may assume a significantly reduced portion of the load, if any. This causes web elements in other portions of the interconnected web to operate in tension to support the load. With the portion of the tire in the footprint region not bearing a significant portion of the load, non-pneumatic tire may exhibit a more comfortable ride subject to less noise and vibration and improved handling capabilities.

A pneumatic tire in which an inner liner including a film mainly made of thermoplastic resin is attached to an inside of the tire via a tie rubber sheet, on an inner side of a carcass layer, and which has a lap-splice portion where end portions of the film in a tire circumferential direction overlap each other in a tire widthwise direction with tie rubber therebetween. A section of the film on a tire cavity side in the lap-splice portion has a portion where the film is thin over part or entirety of the width in the tire widthwise direction before the lap-splice portion, or a film thickness in the lap-splice portion is smaller than a film thickness in a portion other than the lap-splice portion. Thus, the pneumatic tire has no crack developing around the lap-splice portion of an inner liner layer after running, and has excellent durability.

It is a problem to provide a pneumatic tire where disengagement between sipe wall surfaces is suppressed. In a sipe formed in a block of a tread portion, two ridge portions (32) and (34) are formed in one sipe wall surface (29P), and two valley portions that engage with the ridge portions (32) and (34) are formed in another sipe wall surface. The two ridge portions (32) and (34) form a merged portion (30) where they merge together in the center of a sipe lengthwise direction and at their tire radial direction outside ends, and the two ridge portions (32) and (34) extend linearly from the merged portion (30) toward both sipe-lengthwise-direction end sides (F) and (K) so as to gradually move apart inward in the tire radial direction. Because of this configuration, the contact length of the adjacent sipe wall surfaces in a sipe depth direction (R) becomes longer.

In a pneumatic tire, center land portions include a circumferential narrow groove extending in the tire circumferential direction so as to partition the center land portions in a tire width direction; a plurality of lug grooves disposed in each region of each of the center land portions partitioned by the circumferential narrow groove, extending in the tire width direction, so as to partition each of the regions of the center land portions in the tire circumferential direction; and a plurality of blocks partitioned by the circumferential narrow groove and the plurality of lug grooves. Blocks of the center land portions include one open sipe extending in the tire width direction so as to partition the blocks in the tire circumferential direction, and three or more closed sipes disposed in each of the regions of each of the blocks partitioned by the open sipe.

A pneumatic radial tire in which a plurality of land portion rows 2 are formed by a plurality of main grooves that extend in the circumferential direction on a tread portion of a tire, and a thin groove 3 that extends in the tire circumferential direction is formed in at least one shoulder land portion row 2A that is positioned on the tread end among the plurality of land portion rows. A land portion 5 that is positioned between, the thin groove 3 and the tread end 4 is partitioned into a plurality of blocks 5a by a lug groove 6 that extends in the tire width direction and whose maximum groove depth is set deeper than the groove depth of the thin groove, and the groove depth of the lug groove continuously changes so as to become a maximum at an intermediate position between the thin groove and the tread end. According to the present invention, it is possible to provide a pneumatic radial tire that can achieve improved drainage performance.

A non-pneumatic tire includes a plurality of springs. Each spring includes a first end portion, a second end portion, and an arching middle portion. Each spring is interwoven with at least one other spring thereby forming a toroidal structure extending about an entire circumference of the non-pneumatic tire. The toroidal structure is at least partially coated with an elastomer. One end portion of at least one spring is wrapped around a first bead structure adjacent a rim.

A pneumatic tire is provided with a main groove extending along a tire circumferential direction in a tread. A side wall of a land portion facing the main groove extends so as to be inclined with respect to a tire circumferential direction between a pair of corner portions. The corner portion positioned in an inner side in a width direction of the main groove is set to an inner corner portion and the corner portion positioned in an outer side is set to an outer corner portion. In the inner corner portion, the side wall is formed by a stepped surface expanding to the outer side in the width direction toward a groove bottom and an expansion to the outer side in the width direction in the stepped surface is made smaller from the inner corner portion toward the outer corner portion.

A pneumatic tire including at least four circumferential main grooves extending in the tire circumferential direction and a plurality of rib-like land portions partitioned by the circumferential main grooves in the tread portion. Additionally, an outer side second land portion includes a zigzag narrow groove having a zigzag shape, extending in the tire circumferential direction, and dividing the outer side second land portion in the tire width direction; and a plurality of first sipes disposed at a predetermined pitch in the tire circumferential direction, extending from an edge portion on the outer side in the tire width direction of the outer side second land portion toward the inner side in the tire width direction, and terminating prior to the zigzag narrow groove, leaving a gap for ventilation.

A pneumatic tire including a separatable pair of mechanical fasteners wherein a first fastener of the pair of mechanical fasteners is provided on a tire inner surface. In this pneumatic tire, the obtained engagement force of the pair of mechanical fasteners is great and is essentially free of variations (positional variation within the tire and variation from tire to tire); the engagement force deteriorates/declines minimally over time due to extreme usage conditions including repetitive deformation and compaction over an extended period of time caused by tire rotation at high speeds in a state of relatively elevated temperatures; and the desired engagement force can be maintained over an extended period of time.

The present invention includes a run-flat tire 1 comprising a plurality of turbulence generation ridges 20 which extend on a surface of a tire side portion 3 in a tire-radial direction and which are arranged at a pitch in a tire-circumferential direction and relationship Si>So is satisfied. Si is the sum of sidewall areas of all the turbulence generation ridges located at the inner side, in the tire-radial direction, of a maximum width position of the pneumatic tire. So is the sum of sidewall areas of all the turbulence generation ridges located at the outer side, in the tire-radial direction, of the tire maximum width position.

A belt structure for a two-wheeled vehicle made by means of strip-like segments or elements, each including parallel cords embedded in an elastomeric layer, sequentially laid along the circumferential extension of a toroidal support so as to form a reinforcing layer having a continuous circumferential extension around a geometric rotation axis of the toroidal support, wherein each strip-like element is laid in a laying trajectory defining, at each point, a laying angle; at each point of the laying trajectory a laying gap is formed between adjacent strip-like elements; the laying trajectory is formed starting from preselected laying angles on the shoulder and on the crown of the tire; the laying gap between adjacent strip-like elements varies along at least one length of said laying trajectory between crown and shoulder so as to cause variation of the laying angle and obtain the preselected angles on the shoulder and on the crown.

A pneumatic tire that is provided with a first fastener of a separatable pair of mechanical fasteners on a tire inner surface, wherein, even in cases where a desired object is engaged/fixed using only one fastener, the object does not rotate having the fastener as a central axis when the tire is in use. A first fastener of the pair of mechanical fasteners is provided on a tire inner surface, and the mechanical fasteners are provided with a rotation preventing mechanism for preventing the fasteners from mutually rotating when the pair of mechanical fasteners are engaged.

The present invention provides a rubber composition that improves in terms of the fuel economy of a rubber composition containing an isoprene-based rubber and also offers favorable durability and favorable processability or adhesion to steel cords, and a pneumatic tire formed from the rubber composition. The present invention relates to a rubber composition for a bead apex, sidewall packing, base tread, or breaker cushion, including: a specific rubber component; a specific amount of a specific carbon black; a specific amount of sulfur; and a specific amount of a compound represented by formula (I) below. The present invention also relates to a rubber composition for a steel cord topping, strip adjacent to steel cords, or tie gum, including: a specific rubber component; a specific amount of a specific carbon black; a specific amount of an organic acid cobalt salt; and a specific amount of a compound represented by the formula (I).

Provided is a pneumatic tire whose braking performance on ice and partial-wear resistance can be improved. Sipes 11X provided in a rib 5 on a tire equatorial plane TE are formed in such a three-dimensional shape that the amount at which the rib 5 collapses due to an external force is smaller in the tire rotational direction than in a direction opposite to the tire rotational direction. In each block 10 in each shoulder region 1S, sipes 11Ma in a block tread-in side portion 10A are each formed in such a three-dimensional shape that the amount at which the block 10, if entirely provided with the sipes 11Ma, collapses due to an external force will be smaller in the tire rotational direction than in the direction opposite to the tire rotational direction. Sipes 11Mb in a block kick-out side portion 10B are each formed in such a three-dimensional shape that the amount at which the block 10, if entirely provided with the sipes 11Mb, collapses due to an external force will be smaller in the direction opposite to the tire rotational direction than in the tire rotational direction.

A heavy duty pneumatic tire comprises a tread portion provided with circumferentially continuous main grooves and lateral grooves to form blocks in circumferential rows. The main grooves include a pair of shoulder main grooves disposed one on each side of the tire equator so that the center line thereof is at a distance of 0.30 to 0.65 times one half of the tread width from the tire equator. The blocks include crown blocks disposed in a tread crown region between the shoulder main grooves, and shoulder blocks disposed in shoulder regions axially outside the shoulder main grooves. Each of the crown blocks and shoulder blocks is provided with at least one axially extending sipe.

An object of the present invention is to provide a pneumatic tire of which rolling resistance is reduced without impairing wear resistance. Specifically, the pneumatic tire of the present invention comprises: a tread portion; a pair of side wall portions; a pair of bead portions; a carcass constituted of at least one carcass ply extending in a toroidal shape between bead cores in the respective bead portions; a belt disposed on the outer peripheral side of a crown region of the carcass and formed by at least one inclined belt layer made of cords extending to be inclined with respect to the equatorial plane of the tire; and a tread rubber disposed on the radially outer side of the belt, wherein a ratio of BD/BW satisfies the following formula: (0.062×tire aspect ratio−0.01)

In the invention, at least a tire outer circumferential side portion of a tread portion is formed of a non-conductive rubber layer. The non-conductive rubber layer is formed by winding and laminating a non-conductive rubber ribbon along a tire circumferential direction. A conductive layer is provided on an outer circumference of the non-conductive rubber ribbon, and the conductive layer continuously and spirally extends along the tire circumferential direction, and is exposed on a tread surface from a bottom surface of the non-conductive rubber layer toward a tire outer circumferential side. Accordingly, an electricity generated in a vehicle body is discharged to a road through the conductive layer. Since the conductive layer is scattered within the non-conductive rubber layer and exposure on the tread surface is preferably secured, it is possible to achieve an excellent conductivity.

A pneumatic tire in which: a carcass layer is laid between paired bead sections; a belt layer is buried, on the outer peripheral side of the carcass layer, in a tread section; and multiple main grooves extending in a tire circumferential direction are provided in the tread section. In the pneumatic tire, a maximum groove depth of each of the main grooves is 8.5 mm to 15.0 mm, a ratio α of a section height SH of an actual tire to a section height SHstd calculated from a tire size is set in a range of 0.97≦α≦0.99, a contact area ratio is 65% to 70% under a measurement condition where an air pressure is 200 kPa and a load is 50% of a load carrying ability with the air pressure of 200 kPa, and an average contact pressure P is 300 kPa to 400 kPa under the measurement condition. The tire achieves enhanced wet performance without increasing tire weight.

A rubber-steel hybrid cord of the present invention is characteristically formed by twisting a plurality of sheath filaments or sheath strands around a core in which a periphery of and space surrounded by one or a plurality of core filaments or a core strand are coated or filled with a filler rubber (A) containing an adhesion promoter, thereby forming a multilayer-twist steel cord or a multi-twist steel cord, and coating an outer surface of the multilayer-twist steel cord or the multi-twist steel cord with a coating rubber (C). Further, an amount of an adhesion promoter contained in the coating rubber (C) is equal to or more than an amount of the adhesion promoter contained in the filler rubber (A).

Provided is a pneumatic tire whose safety factor and durability are improved without generating a problem of an increase in the weight of a tire and an increase in the inner surface cord protrusion failure. Provided is a pneumatic tire including one or more carcasses 2 extending toroidally between bead cores 1 embedded in a pair of bead portions 11 respectively. A polyester fiber cord whose total decitex as a twisted cord is 4300 to 5100 dtex, whose cord strength as a dip treated cord is 6.5 to 7.2 cN/dtex and whose cord elongation at a stress loading of 2 cN/dtex is 3.5 to 4.0% is used as a reinforcing cord of the carcass 2, and the tenacity of a treat which is the reinforcing cord covered with rubber per unit width is 2.9 to 3.2 kN/cm.

A pneumatic tire for a commercial vehicle with a tread, wherein at least the part of the tread which comes into contact with the road contains a sulphur-vulcanized rubber mixture. The sulphur-vulcanized rubber mixture contains 90 to 50 phr (parts by weight, based on 100 parts by weight, of all of the rubbers in the mixture) of natural rubber, 10 to 50 phr of at least one polybutadiene having a glass transition temperature Tg of −110 to −65° C. and 5 to 50 phr of at least one aliphatic and/or aromatic hydrocarbon resin having a softening point (ring and ball to ASTM E 28) of 0 to 150° C., and a mean molecular weight Mn of less than 2000 g/mol and a polydispersity D=Mw/Mn of 1 to 5.

A pneumatic tire includes first and second side members at first and second sides and a tread section between the first and second side members. The tread section has a tread pattern including a pair of main grooves extending linearly in a circumferential direction of the tire and a land section extending in the circumferential direction between the main grooves. The land section includes a sub groove extending in the circumferential direction without connecting to the main grooves, and a first sipe connecting between the sub groove and one of the main grooves. The sub groove includes a first groove section extending diagonally toward the first side at 0 to 30 degrees with respect to the circumferential direction and a second groove section connecting to the first groove section and extending diagonally toward the second side at 10 to 45 degrees with respect to the circumferential direction.

Side lug rows are provided at both side regions of a tread surface and are formed by a plurality of lugs defined by lug grooves opening to edges in the tread width direction, and a central block row aligned on the tire equator and formed by a plurality of blocks is disposed between positions at ¼ of the tread surface width from the tire equator. The tire has a directional tread pattern, with a designated rotation direction, formed by circumferential grooves and width direction grooves that define the blocks of the central block row and are narrow grooves with a narrower groove width than the lug grooves. The distance from the tire equator to the groove wall in each of the circumferential grooves defining the blocks is set to be larger at a leading edge of each block than at a trailing edge of each block.

The pneumatic tire 1 includes a belt layer 14 that includes a circumferential reinforcing layer 145 and a pair of cross belts 142, 143. Also, the pneumatic tire 1 includes at least three or more circumferential main grooves 21 to 23 in the tread portion having groove bottoms that are convex in the groove depth direction. Also, the curvature radius RA of the groove bottom of an arbitrary first circumferential main groove 21, 22 and the curvature radius RB of the groove bottom of an arbitrary second circumferential main groove 23 have the relationship RA

A pneumatic tire comprises a tread portion, at least two circumferentially and continuously extending longitudinal grooves being provided with the tread portion, a land portion divided between the longitudinal grooves, a plurality of lateral grooves being provided with the land portion, each lateral grooves with one end communicating with one of the longitudinal grooves and the other end extending toward a tire equator, the longitudinal groove with a groove wall to which lateral grooves are connected, in each section between lateral grooves adjacent to a circumferential direction of the tire, the groove wall having a protruded portion and a dent portion being formed the nearest side of the tire equator, the protruded portion inclined with respect to the circumferential direction of the tire so as to gradually reduce a width of the longitudinal groove toward at least one lateral groove.

A pneumatic tire unit comprises a front tire to be mounted on a leading side of a vehicle, and a rear tire to be mounted on a trailing side of the vehicle. A plurality of recesses is provided in at least one tire side portion of the front tire, and a plurality of protrusions is provided on at least one tire side portion of the rear tire. A negative pressure region that can be generated at a back surface side of the vehicle is reduced and, therefore, air resistance of the vehicle is reduced and fuel economy is enhanced.

An on-demand executable system includes an application acquisition engine configured to acquire a first application that is programmed to perform a first function and a second function. An applet extractor includes a function analyzer configured to analyze the first application to identify functions that the first application is programmed to perform. The identified functions include the first function. The applet extractor includes a code analyzer configured to analyze code of the first application to identify first code segments that implement the first function. The applet extractor includes an applet packager configured to package the first code segments into a first executable. An executable request servicer is configured to, in response to a request, transmit the first executable to a user device.

Automatically upgrading a computing environment system may include automatically identifying a set of timeframes and nodes running user applications on physical machines, containers, or virtual machines (VMs) whose disruption during the identified timeframes minimally impact the user applications. The timeframes may be intelligently determined by leveraging the monitoring data obtained automatically and/or the hints supplied by the user.

Techniques are presented for managing a deployment pipeline using an inheritable and extensible source code template—generally referred to as a live pipeline template (LPT). As described, live pipeline templates may be used to manage deployment pipelines which, in turn, are used to launch, maintain, and update the services and systems used to host and provide computing services.

In accordance with embodiments, there are provided mechanisms and methods for creating, exporting, viewing and testing, and importing custom applications in a multitenant database environment. These mechanisms and methods can enable embodiments to provide a vehicle for sharing applications across organizational boundaries. The ability to share applications across organizational boundaries can enable tenants in a multi-tenant database system, for example, to easily and efficiently import and export, and thus share, applications with other tenants in the multi-tenant environment.

A method for identifying user managed software modules includes: receiving a query that includes an input module name or an input address range. The method further includes, responsive to determining that the input module name or input address range of the received query is not stored in one or more data structures identifying one or more software modules that have been loaded into memory without a directed load, searching a data structure identifying software modules that have been loaded into memory via directed loads for the respective input module name or input address range.

An approach that analyzes and manages unresolved (i.e., pending, outgoing) change-sets is provided. Specifically, this approach parses the change-set into a plurality (i.e., one or more) of changes having interdependencies within a java class file to determine the impact each change may have. More specifically, a change-set management tool provides this capability. The change-set management tool includes a parsing module configured to receive an outgoing change-set and to parse the change-set into a plurality of changes having interdependencies within a java class file. The change-set management tool further comprises an evaluation module configured to evaluate an impact that each of the plurality of changes within the change-set has on source code external to the change-set in the java class file based on the interdependencies.

The described technology is directed towards maintaining and using a version-based hierarchy of software resources (e.g., file system files) to return version-specific responses to clients. A client sends its version information with each data request, and gets back a response based upon that version. Version changes are made by maintaining the current version of each software code resource and overriding the current version with a previous version for clients as needed. The technology allows updates (e.g., for new devices and new software resource versions) to be supported by inserting resources into the resource hierarchy and moving resources therein based upon versioning. A system based on deltas is also contemplated, in which only parts of a file may be changed relative to a different version, instead of overriding the entire file.

At least one application is received from a user. The at least one application is stored on a communication platform. A catalog is received. The catalog includes at least one service. Each service of the at least one service is associated with a platform. An indication of a selection, from the user, is received. The selection comprises a first service associated with a first platform, and a second service associated with a second platform. The first service stores the at least one application from the user. The second service runs the at least one application from the user. Responsive to receiving the indication, the at least one application is deployed to the indicated first platform. Additionally, responsive to receiving the indication, a service bridge from the communication platform to the second platform is deployed. The at least one application is run, on the first platform utilizing the service bridge.

Dynamically identifying performance anti-patterns in a software system is based on a set of documented symptoms that are evaluated in real-time. The evaluation is based on the observed system behavior and its comparison against the documented symptoms of different types of performance issues.

A computer system for identifying user managed software modules includes program instructions for: receiving a request for a directed load of a software module into memory, wherein the request includes an address; storing the software module at the address in the received request; adding a name and an address range of the stored software module to a data structure identifying software modules that have been loaded into memory via directed loads; receiving a query that includes an input module name or an input address range; and responsive to determining that the input module name or input address range of the received query is not stored in one or more data structures identifying one or more software modules that have been loaded into memory without directed loads, searching the data structure identifying software modules that have been loaded into memory via directed loads for the respective query.

A validation system is configured to automatically generate validators for one or more target systems. The validation system includes: a memory storing a computer process, a network interface configured to interface with the one or more target systems over a computer network, and a processor executing the computer process. The computer process is configured to parse the deployment code to identify components in deployment code, generate validator code for each identified component, and use the network interface to transmit the validator codes to the one or more target systems.

The disclosure generally describes methods, software, and systems, including a method for updating an application. At least one application instance of an application is managed. Each application instance is associated with a plurality of executing work processes connected with a first database schema. A bridge database schema is generated that is related to the first database schema. The bridge database schema represents a copy of the first database schema and is generated in response to initiation of an update to the application. In response to determining that the generation of the bridge database schema is complete, for each of the plurality of work processes, a commit work action performed by the particular work process is determined. In response to determining performance of the commit work action, the particular work process is connected to the bridge database schema.

Provided is an associated information generation device and the like that facilitated estimates relating to a project. The associated information generation device (101) has an associated information generation unit (102) that on the basis of project information including a task identifier is associated with a change causes are associate with the proportion at which the change causes occur identifies the change cause associated with a specific task identifier contained in project information, identifies the proportion associated with the identified change cause, and generates associated information in which the identified proportion and the identified task identifier are associated.

In various embodiments, a spectral graph partitioner (“SP”) of a graph partitioning system (“GPS”) may partition a data flow graph associated with a program into a plurality of subgraphs to be used to perform analysis or debugging. The SP may generate estimated eigenvectors for a matrix representing the graph through minimization of a function on the vectors. The SP may generate multiple eigenvectors to perform the clustering in a multi-dimensional space described by the eigenvectors. The SP may refine the clustering by repeating generation of eigenvectors to describe higher-dimensional spaces and perform further clustering. The SP may also determine quality metrics for the clusters and may stop refinement based on the quality metrics. The GPS may select between utilizing the SP or utilizing one or more other partitioners based on various factors such as, for example, graph size or quality metrics. Other embodiments may be described and/or claimed.

The present disclosure relates to a method for predicting estimations of project factors in software development environment. The method comprises receiving first input data including at least one type of first software development model and associated one or more first project data from a user. The method further comprises identifying one or more first software agents based on the at least one type of the first software development model. The method further comprises processing the one or more first project data using the identified one or more first software agents to identify one or more first intermediate data required for project factors estimation. The method further comprises calculating estimations of the project factors using the identified one or more first intermediate data.

The present disclosure relates to a method and device for inputting information. The method includes: establishing a network connection with a relay device; obtaining input information from the relay device, wherein the input information is received at an auxiliary input terminal and is sent from the auxiliary input terminal to the relay device; and displaying the input information at an input position on a main input terminal.