56 results about "Distributed information processing" patented technology

A distributed information processing system comprising a collection of servers providing a directory service with a shared view of a directory information tree is augmented with the ability to determine whether one or more of those directory servers have had their view of the directory information tree replaced with one restored from an earlier version of the directory information tree.

The invention belongs to the technical field of database and distributed information processing, and particularly relates to a distributed memory Hash indexing method and system. According to the indexing method, an address range of a Hash table is mapped to a plurality of memory nodes, a main node calculates a Hash valve of a key, and a memory node number is obtained according to the calculated Hash valve of the key; a corresponding memory node address is searched according to the mapping relation between the memory node number and a memory node IP, and writing-in, or reading or deleting operation is carried out on the memory node corresponding to the memory node address. The capacity of a memory is expanded due to the multiple memory nodes, and the read-write performance of a database system is improved through distributed Hash search based on key-values.

Computing nodes, such as plural information handling systems configured as a High Performance Computing Cluster (HPCC), are managed with plural master nodes configured to have active-active interaction. A resource manager of each of the plural master nodes is operable to simultaneously assign computing node resources to job requests. Reservations are made by a job scheduler in a table of a storage common to the active-active master nodes to avoid conflicts between master nodes and then reserved computing resources are assigned for management by the reserving master node resource manager. A failure manager monitors the master nodes to detect a failure, such as by a lack of communication from a master node for a predetermined time, and recovers a failed master node by assigning the jobs associated with the failed master node to an operating master node.

A distributed information processing system comprising a collection of servers providing a directory service is augmented with the ability to validate whether replication is occurring between these directory servers.

A system, method, and computer program product for provisioning software on at least one node in a plurality of computational nodes in a distributed information processing system are disclosed. The method includes accepting a plurality of requirements associated with a software product. The plurality of requirements is expanded into multiple sets of installation requirements. At least one set of installation requirements in the multiple sets of installation requirements is minimized to produce at least one minimized set of installation requirements. At least one installation topology is determined using Rough Set Theory for the software product based on the at least one minimized set of installation requirements. The at least one installation topology is compared to a set of capabilities included on at least one computational node to determine a respective set of missing resources for the at least one computational node.

A system for distributed information processing and interaction includes a plurality of output devices arranged to produce a respective output portion of a system output, a plurality of application processors and a state server in data communication with the plurality of application processors. Each respective output portion is defined by context information. Each application processor is configured to process one or more respective application programs and is responsive to the context information. Each application processor is coupled with an associated respective output device for controlling the output device in producing the respective output portion. The state server provides the context information to the plurality of application processors. The architecture is extended to a more general system in which output devices produce a variety of outputs including device actuations, as well as video displays, and receive a variety of inputs.

Methods, apparatus, and computer program products for handling or managing delayed answers to shopping requests directed to travel content provider platforms. A query processing server of a travel reservation system receives a multi-provider shopping request from an inquiring entity, such as a travel agency, and directs it to a content provider platform, such a platform of a rental car agency. If the content provider platform responds within a given time limit, the query processing server forwards the response to the inquiring entity and updates cache data based upon the response. If the content provider platform does not respond within the given time limit, the query processing server forwards a cache-based response to the inquiring entity. If the content provider platform responds after the given time limit has exceeded, the query processing server updates the cached data to reflect to the belated response from the content provider platform.

A free sample distributing system comprises a plurality of free sample distributing devices and a free sample distribution information server. Each free sample distributing device imports identification information of a user desiring acquisition of a free sample, and sends the identification information to the free sample distribution information server. The free sample distribution information server decides a type of a free sample to be provided for the user, by searching a user information storage unit, by recognizing personal information of the user pertaining to the identification information, and by comparing the personal information with the free sample distribution conditions of free sample types. The free sample distributing device dispenses the free sample of the decided type from a housing unit and provides the user with the free sample.

The invention discloses a gas desulfurization-denitration-dedusting comprehensive intelligent control system of a steel pellet sintering machine. The system comprises a whole flue gas desulfurization-denitration-dedusting system, a PLC, a monitoring computer and a control cabinet. A monitoring device, a transmission device and a control device are arranged in the desulfurization-denitration-dedusting system of the steel pellet sintering machine. The signal output end of the monitoring device is connected with the input end of the PLC through the transmission device; the output end of the PLC is connected with the whole desulfurization-denitration-dedusting comprehensive intelligent control system and the control cabinet respectively; the PLC is connected with a control computer. In the system disclosed by the invention, a wireless sensor network is adopted, and the research results of multiple cross subjects such as the sensor technology, the embedded computer technology, the distributed information processing technology and the wireless communication technology are integrated. The system can flexibly and accurately monitor, perceive and collect the data of various environments or detection objects in the network distribution equipment in real time and process the data to obtain the detailed and accurate information, and then the information is delivered to a control terminal to be processed, thereby guaranteeing the stable operation and up-to-standard emission of the desulfurization-denitration-dedusting system.

The present invention relates to one kind of distributive network information processing system and method for the network systems with different platforms, different data bases and different data formats. The distributive network information processing system consists of application system, identical-network isomeric connector and communication network for connection. The data bases of the application systems are interconnected via identical-network isomeric connectors, so that one application system may access the data in one other application system data base for information processing and specific service. The present invention makes it possible for great amount of isomeric systems to complete real-time cooperation while ensuring the data integrality and time efficiency. The present invention may be used in telecom service system, e-business system, traffic information system, household register managing system, etc.

The invention is applicable for the technical field of distributed information processing, and provides an asynchronous production line type graph query method which is applied to a distributed graph database. The asynchronous production line type graph query method comprises the steps of establishing a production line containing multiple querying steps based on a query request; detecting a buffer queue of each querying step and waking up multiple pre-fetching threads based on the capacity of rest elements of the buffer queues; establishing a thread pool for asynchronously managing connection and query of a back-end data layer, configuring the capacity of the thread pool for the production line, and obtaining a query result by the tail end of the production line. Whereby, according to the synchronous production line type graph query method, the query speed and the throughput of a client are increased.

The present invention discloses a distributed information processing system which includes information server and customer terminal. In the present invention, customer terminal can download corresponding merchandise information file and execute play from information server according to user input information; in download process, customer terminal can also select a good network condition for downloading from multiple information server, so stabilizing ability of customer terminal download is enhanced; information server can transmit unified merchandise information file to subordinate customer terminal for implementing unite play of multiple customer terminal; when started at every time, all customer terminal download unified system file from information server, and execute open/close machine operation according to information server indication, so unified management of customer terminal is realized by information server. Information server can execute information acquisition, statistics and analyze to user enquiring index merchandise information. The present invention also discloses a distributed information processing method.

The invention relates to the technical field of distributed information processing, in particular to a cache method and system oriented to a distributed sequence list. The method comprises the following steps: setting basic scores for all data blocks; obtaining a data range related to a data query operation through the distributed sequence list when the data query operation is carried out; carrying out to-be-accessed access frequency statistics on each data block in the data range and accumulating the access frequency to corresponding data blocks; when the data blocks are targeted by a cache, subtracting a fixed value from the scores of the targeted data blocks; when a cache space is full, triggering a swap-out operation of the cache; and when the swap-out operation starts, sorting according to the scores of the data blocks and weeding out from the data block with the lowest score until data blocks can be increased to the cache space.

The invention discloses an information processing method for a distributed system and a distributed information processing system. The distributed system comprises a center node used for storing meta-information and a plurality of data nodes used for storing data. The information processing method for the distributed system comprises the following steps of receiving an information operation request; judging the type of the information operation request; if the type of the information operation request is judged as a meta-information operation request, utilizing the center node to operate meta-information according to the meta-information operation request; and if the type of the information operation request is judged as a data operation request, utilizing the data nodes to operate the data according to the data operation request. According to the technical scheme provided by the invention, division of the management function of each node is realized and the information processing pressure of each node is relieved to help to improve the processing efficiency of the distributed system.

The invention discloses an island microgrid voltage and frequency adjustment method and system. The method comprises the steps of collecting variable information through a distributed information processor, carrying out the data interaction and iterative calculation with a nearest adjacent node, and obtaining an average voltage deviation value and an average frequency deviation value; obtaining avoltage adjustment quantity and a frequency adjustment quantity through a secondary coordination controller; and adjusting the voltage and frequency of the island microgrid to stable operation throughdroop control by a primary stability controller. According to the scheme, the distributed information processing module only needs to perform information interaction with the nearest adjacent node onthe variable information, so that the complexity of processing the variable information of the source network load system is greatly reduced, and the operation burden is reduced; data interaction iscarried out on variable information of local nodes and neighbor nodes, the average voltage deviation and the average frequency deviation are directly obtained after iteration, the voltage and frequency adjustment quantity does not need to be calculated by collecting impedance parameters and constant-power load information of the system, and the method has the advantages of being small in amount ofcollected information and simple in calculation process.

A fully-automatic wireless monitoring system (TMS system) which can perform non-artificial interference of an oil outlet relief valve of an oil tank truck. The invention is a wireless monitoring system developed by using sensor technology, embedded computing technology, modern network and wireless communication technology, and distributed information processing technology. A monitoring element of the system is directly and rigidly connected to a monitored valve by a shaft coupling and a valve stem. The monitoring element measures the angle displacement of the valve stem; data collection, recording, storage, wireless transmission, data uploading, and report formation are performed by the TMS system; and an alarm is provided by the TMS management software finally. Problems of easy forgery and easy substitution of currently-used mechanical lead sealing, artificial intervention of electronic lead sealing, unreliability of information collecting points, and dependence of power supply by vehicle power supply are prevented. Non-artificial interference of overall monitoring is realized, and the authenticity, reliability and integrity (no lost data) of the recorded data are ensured; therefore the generation of invalid oil stealing behaviors from oil tank trucks is effectively prevented. All the hardware forming the TMS system passes the ATEX explosion-proof certification, and can ensure the safe utilization of the system in dangerous areas.

The invention relates to an annular distributed information processing system. It makes clients system and multiple service systems to form a ring. Client system generates combining request to send to service system executing the first task. The service system sends to next service system after completing task. Combining request is sent to client system after all service system executes completely. Merits of the system are being able to reduce traffic in process of distributed system and complexity of client system is reduced at the same time.

A precise obstacle avoidance heterogeneous backup method for lunar soft landing is provided. The method comprises: (1) time-division multiplexing-based system hardware configuration design: performingcurve character extraction on a soft landing flight trajectory of a detector to obtain a characteristic curve of the detector descending in a vertical attitude after passing a main deceleration section and to further obtain that a field direction of a imaging sensor is consistent with a nominal descending speed direction of the detector, and performing sequential character extraction on a flightmission functional profile during the soft landing of the detector to obtain a rough obstacle avoidance section and a precise obstacle avoidance section sequentially arranged according to a time course in a descending process; and (2) a parallel distributed information processing-based precise obstacle avoidance autonomous reconstruction sequence design method: based on the hardware capable of parallel computing, in the process of obstacle avoidance, using a GNCC to control an obstacle avoidance sequence and actively obtain processing status information of an image processing board, using theimage processing board to identify and calculate terrain obstacles and send safety point information to the GNCC, wherein the GNCC and the image processing board works in a distributed parallel computing mode to implement a precise obstacle avoidance heterogeneous backup function.

A variety of tools and techniques are disclosed for creating and managing a distributed information processing system. The distributed information processing system is comprised of information, data, applications, algorithms, and models that when processed interact with a variety of computing devices and computing device components. These technologies bring additional functionality and levels of interaction to information processing and provide efficient and valuable information patterns, insight, and knowledge to consumer and business applications.

The invention discloses a collecting device for a distributed information processing system. The collecting device comprises a device body, a storage battery, a remote control panel and a control button. A high-definition camera is arranged on one side face of the device body, a sound collector is arranged beside the high-definition camera, an output terminal connector is arranged on the other side face of the device body, a control host is arranged in the device body, a storage unit is arranged beside the control host, a wireless signal receiver is arranged beside the storage unit, the storage battery is arranged beside the wireless signal receiver, a wireless signal transmitter is arranged on the remote control panel, a power switch is arranged beside the wireless signal transmitter, and the control button is arranged beside the power switch. The collecting device has the advantages that as the connecting device is remotely controlled by wireless signals, an operator can conveniently control the collecting device, and the workload is reduced.

The invention relates to the technical field of blockchain information, in particular to a blockchain-based big data storage platform, which comprises a blockchain underlying platform for distributedinformation processing, a big data framework platform for distributed information storage and backup, and terminal equipment for supporting the blockchain underlying platform and the big data framework platform; an intelligent contract is established in the blockchain underlying platform; a big data framework platform is connected in the intelligent contract; a connection is established between the blockchain underlying platform and the big data framework platform; full data originally stored in a block chain is stored in a Hadoop framework system; and the value of the hash number of the fulldata and the data storage position information are stored in the block chain, so that the problems that a single node in the existing block chain is low in storage performance, cannot store a large amount of data, is slow in data retrieval and cannot effectively utilize the data are solved.

The invention relates to an urban shared unmanned aerial vehicle intelligent management system based on a block chain technology, and the system comprises a user client which issues a flight demand order; a distributed block chain unmanned aerial vehicle background management system which receives the flight demand order and issues a corresponding flight instruction according to the flight demand order; a shared unmanned aerial vehicle which receives the flight instruction of the background management system, executes a patrol flight task required by the flight instruction, and feeds back own flight information and task execution condition information to the background management system; a shared unmanned aerial vehicle automatic airport which provides airport take-off and landing information and environment information; and a distributed information processing system which is used for acquiring, storing and processing various sensor information and image information returned by the task unmanned aerial vehicle, and sending a result to the background management system for a user to retrieve. According to the method, the requirements of urban low-altitude inspection application and low-altitude management are considered, idle unmanned aerial vehicles of all departments of the government and main industries can be dispatched to the maximum extent, and the rationality of urban management is formed.

The invention provides a distributed information processing structure; the distributed information processing structure comprises a data processing module, wherein the data processing module comprises a data processing management unit, a plurality of thread processing units, and a plurality of abstract pipe units; the data processing units are used for receiving topological configurations, and dynamically creating a data processing model based on the topological configurations; the data processing model consists of the thread processing units, or consists of the combination of the thread processing units and the abstract pipe units. Provided is a reusable application software structure; when being used, the user only has to inherit a functional derived type, and achieve the algorithms therein without concerning more software implementation details, thus the usability is strong.

The invention discloses an XML-based WIA-PA gateway service method. Through the utilization of the method, a WIA-PA gateway can provide an XML service interface, adopts the XML to describe interaction network information between information and a client, and supports a plurality of services of service establishment, service cancelation, device list report, topology report, path selection, route change, superframe change, link change, attribute obtaining, attribute configuration and data acquisition and the like, so that an external client is allowed to obtain and configure a plurality of information of a WIA-PA network conveniently. The service method has the advantages that the WIA-PA gateway adopts the XML to describe the interaction network information between the information and the client, and the method provides a unified structure data service which is independent of a specific platform, and thus cross-platform service and distributed information processing are realized.