31results about How to "Save query time" patented technology

The invention relates to an FPGA-based (Field Programmable Gate Array-based) IO (Input / Output) bus device with an automatic recognition function, and belongs to the technical field of buses. The IO bus device comprises a CPU (Central Processing Unit), an FPGA, slot position plates, a parallel bus, a serial bus and a field bus, wherein the CPU and the FPGA are used for carrying out data interaction through an external bus, and the FPGA and the slot position plates are interacted through the parallel bus or the serial bus; the CPU and the slot position plates are directly interacted through the field bus; the FPGA is used for providing a plate address for the CPU and helping the CPU to send and receive data, a state machine is arranged in the FPGA, and the state machine can be used for selecting plate interfaces in a circulation mode to read plate information and data signals. The FPGA-based IO bus device has a self-recognition plate information function, so that the reliability of data interaction is enhanced. The communication among plates is more flexible, and upgrading of a device platform is facilitated. The FPGA serves as a bridge of the CPU and external data, and the interaction of plate data is carried out through the serial bus and the parallel bus.

The invention discloses a cloud computing-based service providing method and device. The method includes the following steps that: a service reservation request containing reservation information, which is transmitted by a user end, is received; at least one first candidate service provider corresponding to the reservation information is inquired in a cloud storage server according to the service reservation request; the first candidate service provider is transmitted to the user end; a target reservation request containing a target service provider identifier, which is transmitted by the user end, is received; the target reservation request is transmitted to a target service provider end corresponding to the target service provider identifier; and reservation result information transmitted by the target service provider end is received and transmitted to the user end. Compared with the prior art in which manual query of the information of service providers is required, and with the method and device of the invention adopted, the manual query of the information of the service providers is not required, and therefore, query procedures and query time can be saved, and service reservation efficiency can be improved.

The invention relates to a passenger transport special car operation mode, and particularly relates to an intercity network reservation special car operation mode. The intercity network reservation special car operation mode comprises the steps that S1, a platform system sets intercity operation lines, and carries out traffic area division according to the operation lines; S2, special cars input special car information into the platform system through an intelligent terminal; S3, the platform system carries out automatic cycle rolling schedule arrangement on each operation line according to the special car information; S4, customer information is inputted through a mobile phone client; S5, traffic area division is carried out on a map according to the operation lines; S6, customer information and special car information in each traffic area are acquired; S7, the customer information and the special car information in each traffic area are matched according to a matching rule of the platform system, and special car dispatching information is generated; and S8, a matching result is returned back to a corresponding customer and a special car, and special car dispatching operation is carried out. The intercity network reservation special car operation mode can effectively improve the special car operation efficiency, reduce the operation commission and reduce the customer waiting time.

The invention relates to a book retrieval method based on feature extraction, pertaining to the technical field of network communication. The method comprises following steps: firstly, collecting book information of a book library, extracting label information of books, coding and establishing a book information library to store book information; secondly, gathering books according to elements of book label information, coding books gathered as an original library source for book retrieval and combining with book original labels for book feature reconstruction, and extracting new feature words of a wide range of books as a collection book information library; then, extracting frequency of types of books visited by users in collection book information library, establishing a users' visit model to form users' reading mode labels as users' feature label values; and finally, creating a matching relevancy model for providing retrieval book lists for users who successfully match. The book retrieval method based on feature extraction is capable of retrieving visit features of users in a real-time manner so that user's visit demands can be precisely satisfied.

The invention provides an operation and maintenance monitoring data display method and device, a storage medium and computing equipment, and the method comprises the steps: calling source data relatedto a business demand from different types of data sources, and storing the source data; converting the stored source data into target data based on a preset display condition, and obtaining baselinedata corresponding to the target data; and comparing the sizes of the target data and the baseline data to obtain a comparison result, and transmitting the target data, the baseline data and the comparison result to a front-end page of a unified display platform for unified display. According to the embodiment of the invention, the display process of the operation and maintenance monitoring data is not influenced by data source types, different service requirements can be met, the service data concerned by the operation and maintenance personnel can be displayed on the unified platform in a diversified manner, the operation and maintenance personnel do not need to query the monitoring data on multiple platforms, the query time and operation and maintenance manpower can be saved, and visualdisplay modes can be enriched.

The invention relates to the technical field of information services, in particular to a building property query system. The building property query system comprises a city map module, a building registration module and a display module, wherein the building registration module is used for separating buildings into to-be-sold buildings and sold buildings; the building registration module is used for sending the geological location information of the buildings to the city map module, displaying the city location of each building through the city map module, and marking in a city map; when one building is selected in the city map, the building registration module is used for displaying the information of the corresponding building, and the information comprises the number of to-be-sold buildings and the number of sold buildings; the display module is used for displaying the states of building sources; when the information of the buildings is displayed, the display module is used for displaying the data information of the buildings in a graph type. The building property query system has the advantages that by arranging the city map module, the building registration module and the display module, the location and related information of the building property can be quickly queried, the time is saved, and the labor intensity is decreased.

The invention discloses a cloud computing-based service providing method and device. The method includes the following steps that: a service reservation request containing reservation information, which is transmitted by a user end, is received; at least one first candidate service provider corresponding to the reservation information is inquired in a cloud storage server according to the service reservation request; the first candidate service provider is transmitted to the user end; a target reservation request containing a target service provider identifier, which is transmitted by the user end, is received; the target reservation request is transmitted to a target service provider end corresponding to the target service provider identifier; and reservation result information transmitted by the target service provider end is received and transmitted to the user end. Compared with the prior art in which manual query of the information of service providers is required, and with the method and device of the invention adopted, the manual query of the information of the service providers is not required, and therefore, query procedures and query time can be saved, and service reservation efficiency can be improved.

The invention relates to a simple network management protocol SNMP agent multivariate group query method, which defines the data structure of the simple network management protocol agent management information database according to the management information database file, analyzes the simple network management protocol message, analyzes the variable body, and according to the simple network management protocol message The operation type processes each variable, sets the variable state and the working state of the variable, groups unprocessed variables in the variable body, calls the method of obtaining the value of the object in the group, and queries data according to the object information and variable index value information in the management information base , query the value of each variable in the successfully bound group, and mark the variable in the group as processed; if unsuccessful, process each variable in the group according to the simple network management protocol message operation type, set the variable state and working state, and repeat the preceding steps Until all variable working statuses are processed. The method of the invention realizes high-speed completion of multi-variable query and can greatly improve query efficiency.

The invention discloses a method for high-speed storage of high-fidelity continuous-frame queries and an image output method thereof. The method comprises the following steps of: acquiring free memory array information of a data server; recombining the free memory array information, and writing the free memory array information in a free storage unit group of the data server; changing a data structure of storage data by using the free storage unit, and writing the storage data of which the data structure is changed in a target storage unit group; recombining the target storage unit group to obtain a target storage unit array; and forwarding the storage data in the target storage unit array to a network memory. The method has the advantages that: (1) the performance of a storage system can be improved, and various kinds of data are massively stored; (2) the storage speed of the data server and the efficiency are improved; and (3) the data can be inquired and read at a high speed, and the effectiveness requirement of data burst is satisfied.

The invention provides a method and a device for generating a passing city set between cities. The method comprises the following steps: generating a road turn-in / out corresponding table of all the turn-in roads and turn-out roads of each independent city; recording the cost corresponding to the turn-in roads and turn-out roads according to different route planning strategies, wherein the roads turning into the boundary of the city serve as turn-in roads and the roads turning out of the boundary of the city serve as turn-out roads; and butt-jointing all the cities in pairs according to the road turn-in / out corresponding table of each independent city, thereby generating the passing city set between the cities. According to the invention, the time of generating a passing city set document between the cities is greatly shortened and the memory consumption is greatly reduced.

The invention relates to an FPGA-based (Field Programmable Gate Array-based) IO (Input / Output) bus device with an automatic recognition function, and belongs to the technical field of buses. The IO bus device comprises a CPU (Central Processing Unit), an FPGA, slot position plates, a parallel bus, a serial bus and a field bus, wherein the CPU and the FPGA are used for carrying out data interaction through an external bus, and the FPGA and the slot position plates are interacted through the parallel bus or the serial bus; the CPU and the slot position plates are directly interacted through the field bus; the FPGA is used for providing a plate address for the CPU and helping the CPU to send and receive data, a state machine is arranged in the FPGA, and the state machine can be used for selecting plate interfaces in a circulation mode to read plate information and data signals. The FPGA-based IO bus device has a self-recognition plate information function, so that the reliability of data interaction is enhanced. The communication among plates is more flexible, and upgrading of a device platform is facilitated. The FPGA serves as a bridge of the CPU and external data, and the interaction of plate data is carried out through the serial bus and the parallel bus.

The invention discloses a cache management method of a distributed memory columnar database, comprising: establishing a cache queue in a cache master control node; taking each physical task as a root node to cut its physical execution plan to obtain each physical task Corresponding cache calculation track; according to the cache calculation track corresponding to each physical task, a cache feature tree is built in the cache master node; when a query request arrives, the query execution engine parses the SQL statement into a physical execution plan; from the physical execution plan The root node starts to traverse each node in the physical execution plan hierarchically, and judges whether the cache calculation trajectory corresponding to each physical task matches the cache feature tree; if it matches, directly reads the cached actual data of the physical task from the cache slave node, otherwise Compute the physics task. The cache management method of the distributed memory column database provided by the present invention quickly detects whether the cache is hit through an efficient cache matching algorithm, thereby improving query efficiency.

Embodiments of the present invention provide a medical information query system and method. The system includes: a rule engine module, a decision support module and a graph database module; the rule engine module is used to receive clinical data and obtain query rules matching the clinical data; the decision support module is used to Query the medical information corresponding to the query rule acquired by the rule engine module in the graph database stored by the graph database module. The embodiment of the present invention can reduce the load of the rule engine module, so that it can quickly respond to the task requirements of the decision support module, and the efficiency is high; at the same time, the rule engine module is not coupled with the graph database module, which simplifies the development and maintenance of the system complexity, saving storage space and query time; in addition, using graph database to store medical information also makes query more convenient.

The invention relates to a book retrieval method based on feature extraction, which belongs to the technical field of network communication. The present invention first collects data on the book information of the library, extracts the book label information, performs code identification, establishes a book information database, and stores the book information; secondly, performs book clustering according to the book label information elements, and performs category coding on the clustered books As the original library source for retrieving books, combined with the original book tags to reorganize the book features, extract new feature phrases of each category of books as the clustered book information base; According to the frequency of categories, a user access model is established to form a user reading pattern label as a user feature label value; finally, a matching correlation model is established to provide a list of retrieved books for successful matching users. The invention can perform real-time retrieval aiming at user access characteristics, and can accurately meet user access requirements.