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35 results about "Spatiotemporal database" patented technology
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A spatiotemporal database is a database that manages both space and time information. Spatiotemporal databases are an extension of spatial databases.
Interpersonal Spacetime Interaction System
ActiveUS20110167125A1Effective quantityImprove abilitiesDigital data processing detailsMultiple digital computer combinationsEngineeringTime space
The present innovation provides a method of establishing a connection between two individuals using an interpersonal spacetime interaction system, including enabling a first user to specify a spacetime event and to provide annotations for the spacetime event, maintaining a spacetime database comprising data objects, each data object corresponding to a spacetime event, querying a spacetime database, using a query that includes at least a specification of a desired spacetime event, said query being initiated by a second user, retrieving information from those data objects in the spacetime database whose corresponding spacetime events are proximate to the desired spacetime event, and providing the retrieved information to the second user.
Owner:DIMITRIS ACHLIOPTAS
Space-time database administration method and system
InactiveCN101231642AReduce storageEfficient integrationSpecial data processing applicationsTemporal informationData acquisition
The invention discloses a spatiotemporal database management method, as well as a management system and a program product thereof. The spatiotemporal database management system comprises a data collection part, a spatiotemporal data association part and a spatiotemporal data management part, wherein, the data collection part is used to collect or receive the spatial information and the timing information about a geographical entity from external systems, and the produced and existed object timing information of the data are arranged; the spatiotemporal data association part is used to associate various data obtained from the data collection part with the object timing information, and store the association into a corresponding spatiotemporal data file, so as to express the evolution history of the geographical entity and predict the change of the geographical entity; the spatiotemporal data management part is used to respectively store the spatiotemporal data file produced by the spatiotemporal data association part according to the temporal information recorded by the timing information of the geographical entity and the evolution trend recorded by the spatial information of the geographical entity, so as to compose a spatiotemporal database.
Owner:CHINESE ACAD OF SURVEYING & MAPPING
Object data subscription method based on spatiotemporal database
ActiveCN106294888AKeep abreast of the operation statusAccurately determineMulti-dimensional databasesSpecial data processing applicationsProgram planningManagement object
The invention relates to an object data subscription method based on a spatiotemporal database, comprising an organizing process and a subscription process of data objects. The organizing process comprises a process of constructing a database of the data objects; the subscription process is a step of actively pushing information to the client associated with the database according to at least one data record change of the spatiotemporal database so that the user can know in time the running state of the desired object to be managed. The spatiotemporal database of the objects at least includes interaction among the real-time database, and the historical database and the planning database of the object data interacting with each other so as to timely transmit and monitor the running state of the objects during the automatic operation thereof.
Owner:BEIJING WELLINTECH CO LTD
Underground illegal mining identification method and system integrated with D-InSAR and GIS technology
The invention discloses an underground illegal mining identification method and system integrated with the D-InSAR and GIS technology. The method includes the steps of integrating the D-InSAR technology and the GIS technology comprehensively, and building a mining subsidence space-time database by taking vectors, digital rasters, radar images and social reports as the data base and an oracle 13g framework as an underlying platform; and realizing the management and processing technology of massive data, the extraction technology of deformation information and the identification of underground illegal mining by calling attribute acquisition, graphics clipping, element conversion, reclassification, raster technology, overlay analysis, map algebra, contour and curvature and slope generation and other spatial data processing and analysis algorithms provided by the ArcGIS Engine10.3. According to the invention, the purpose of real-time dynamic monitoring of underground illegal mining activities is achieved.
Owner:EAST CHINA UNIV OF TECH +1
Data processing method and electronic equipment
ActiveCN112383875AImprove investigation efficiencyUnderstand the processing resultsParticular environment based servicesEpidemiological alert systemsTemporal databaseEngineering
The invention provides a data processing method and electronic equipment, and the method comprises the steps: obtaining an inputted identification set which comprises at least one target identification code, and the at least one target identification code is used for indicating the identity of a corresponding user; requesting at least contact spatio-temporal data corresponding to at least one target identification code from a spatio-temporal database, wherein the spatio-temporal database comprises a plurality of spatio-temporal grids, and the spatio-temporal grids comprise spatio-temporal trajectory data of a user with the identification code in a first time period in the first geographic area; processing the received contact spatio-temporal data to obtain a processing result for assistingin reflecting a disease propagation state; and outputting the processing result. The method provided by the invention can effectively improve the investigation and analysis efficiency of epidemic patients.
Owner:CHINA ACADEMY OF INFORMATION & COMM
Visual modeling method and system based on space-time big data
ActiveCN113434483AEfficient miningCharacter and pattern recognitionNeural architecturesData setBusiness management
The invention discloses a visual modeling method and system based on space-time big data. The method comprises the steps: carrying out the labeling classification of a spatial feature data set, an attribute feature data set, and a time scale feature data set, and obtaining a first business feature data set; obtaining a corresponding visual image data set according to the first business feature data set; inputting the business spatio-temporal database and the business management indexes into a deep convolutional neural model for data training to obtain a first business spatio-temporal data model; performing incremental learning on the first service spatio-temporal data model according to the first service periodic change feature to obtain a second service spatio-temporal data model; and performing support management on the first construction project information according to the second business spatio-temporal data model. The technical problem that in the prior art, the business models are numerous and frequently changed and adjusted, and data cannot be rapidly extracted to meet business requirements is solved.
Owner:无锡四维时空信息科技有限公司
High-efficiency spatio-temporal data retrieval method based on ground state modified model
ActiveCN104063490AMeet the actual needsImprove efficiencyDatabase updatingSpecial data processing applicationsTemporal databaseData retrieval
The invention discloses a high-efficiency spatio-temporal data retrieval method based on a ground state modified model. The high-efficiency spatio-temporal data retrieval method is used for increasing efficiency and accuracy in history retrieval of a spatio-temporal database and comprises the steps of designing an initial state and a current state of the two-ground-state spatial-temporal database managed by storage patterns, performing immediate updating on the current ground state through an event correction mode between the two ground states, taking events as units to organize history negative increment data, constructing a history spatio-temporal sequence, and dynamically creating multiple groups of correction versions relative to the initial ground state in the long history according to needs to create a temporary ground state of an intermediate history state. Detailed and accurate spatio-temporal evolution records can be achieved with low data redundancy by means of an organization mode of event correction, high-efficiency spatio-temporal positioning can be achieved through establishment of the correction versions, a history maintenance function of the model can be greatly enhanced by means of cooperative effect of the organization mode of event correction and establishment of the correction versions, and therefore, high-efficiency and stepless spatio-temporal retrieval of the history is achieved.
Owner:ZHEJIANG UNIV
Mathematical model-based oncomelania distribution influence factor identification and prediction method
PendingCN113901348AImprove fitting accuracyHigh precisionForecastingOther databases browsing/visualisationOncomelaniaAnalytic model
The invention discloses a mathematical model-based oncomelania distribution influence factor identification and prediction method. The method comprises the following steps: establishing a space-time database of oncomelania distribution and attribute data; measuring units of time and space are balanced by using an elliptical coordinate system, and a space-time distance is defined by referring to a three-dimensional space Euclidean distance calculation formula; substituting the distance into a quadratic kernel function to construct a space-time weight matrix of each oncomelania distribution point, and selecting an optimal bandwidth value through an akaike information criterion; constructing a space-time geographically weighted regression (GTWR) model, obtaining related parameters, carrying out time and space change visualization processing on the parameters, and analyzing an internal rule to obtain a predicted value of oncomelania distribution. The invention has the greatest advantage that the time non-stationary characteristic of the oncomelania snail situation is integrated into a traditional oncomelania snail density prediction and analysis model, so that the fitting precision is improved, influence factors of oncomelania snail distribution in a research area are quantitatively analyzed, and the prediction precision can be remarkably improved.
Owner:JIANGSU INST OF PARASITIC DISEASES
Spatio-temporal big data grid coding efficient visualization method and system
ActiveCN111782745AImprove query efficiencyImprove visual expressionGeographical information databasesSpecial data processing applicationsData setAlgorithm
The invention discloses a spatio-temporal big data grid coding efficient visualization method and system. The system comprises a spatio-temporal big data visualization model, a spatio-temporal database, an acquisition module, a grid coding module and a visual domain data visualization processing module. A grid coding index data structure is constructed on the spatio-temporal big data visualizationmodel, a visual domain selection module is arranged on the spatio-temporal big data visualization model, and the visual domain data visualization processing module comprises a visualization main thread module and a data request sub-thread module. According to the invention, a visual domain can be selected or set on the spatio-temporal big data visualization model according to needs, and the datarequest sub-thread queries spatio-temporal data corresponding to the visual domain according to a visual domain coding index data set and transmits the spatio-temporal data to the visualization main thread for visual expression. The method and the system have the advantages of data query, visual expression, high visual loading quality and efficiency and the like, and the fluency of data loading and visualization is remarkably improved.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)
Vehicle driving information spatiotemporal index and big data analysis method
PendingCN108427718AQuick shareSolve the problem of isolated "information islands"Special data processing applicationsData acquisitionVehicle driving
The invention discloses a vehicle driving information spatiotemporal index and big data analysis method, and belongs to the technical field of intelligent traffic. The method comprises the five stepsof collecting data; preprocessing the data; establishing a spatiotemporal database; performing index query; and performing big data analysis. A system stores the data in a vector form, has the advantages of massive storage in content, dynamic expansion in application and random embedding in propagation, and meets a propagation demand of realizing man-machine interaction. The potential of existingcameras can be mined; effective and reliable detection and tracking of vehicles on roads can be effectively ensured; the labor intensity of related working personnel can be reduced; a large amount oftime is saved; and the method can be used in the fields of road traffic management, safety protection and the like.
Owner:JIANGSU UNIV
A preparation method for emission inventory of road dust sources with high spatio-temporal resolution
ActiveCN111522893BRealize the establishmentAchieve localizationData processing applicationsScene recognitionEmission inventoryTraffic conditions
Owner:HENAN UNIVERSITY
Thematic event update method library and parallel update method of urban multi-source spatio-temporal information
InactiveCN103714185BDatabase updatingGeographical information databasesResource informationQuality control
The invention discloses a subject event updating method base and an urban multi-source time-space information parallel updating method. Suggested time-space information updating is related to multiple factors such as information sources, data models and dimension, updating methods, updating technological process, quality control and subject events, and a time-space database is updated on the basis of multi-source data integration and abnormal change discovery. On the basis of time-space database updating, a sudden event updating mechanism, an updating method based on subject event linkage and a GPU (Graphic Processing Unit) parallel acceleration updating algorithm are established, so that the dynamic information updating of urban time-space substances and time-space events is realized specific to the requirements of updating content and frequency of time-space information. The subject event updating method base and the urban multi-source time-space information parallel updating method has the advantages that corresponding data and sensors are updated by the GPU parallel updating algorithm according to the judgment and triggering of corresponding subject events, so that major sudden events concerned by users can be discovered while the time-space information of users is kept newest, and technical support can be provided for emergency safety, traffic dispersion and the like in smart cities.
Owner:WUHAN UNIV
Method and device for querying trajectory data
ActiveCN106575294BImprove accuracyAvoid the problem of scanning all trajectory dataGeographical information databasesSpecial data processing applicationsAlgorithmData mining
The invention discloses a method and device for querying track data, relates to the technical field of databases, and can shorten the time for querying track data. Including: establishing a spatio-temporal index and an inverted index for the track data in the spatio-temporal database, and the inverted index is used to form a first relationship correspondence table containing the corresponding relationship between each track and its associated index leaf node; The index leaf nodes included in the spatial area are sampled, wherein the number of index leaf nodes in the spatial area and the number of sampled index leaf nodes are determined; according to the sampled index leaf nodes and the first relationship corresponding table, the sampled index leaf nodes are determined. The corresponding relationship between each trajectory contained in the leaf node and the index leaf node associated with the trajectory forms a second relationship correspondence table; according to the number of index leaf nodes obtained by sampling in the space area and the number of index leaf nodes in the second relationship correspondence table The data, determine the unbiased estimation operator, calculate and determine the query result.
Owner:HUAWEI TECH CO LTD
A data processing method and electronic device
ActiveCN112383875BImprove investigation efficiencyUnderstand the processing resultsParticular environment based servicesEpidemiological alert systemsDiseaseEngineering
The present invention provides a data processing method and electronic equipment. The method includes: obtaining an input identification set, the identification set includes at least one target identification code, at least one target identification code is used to indicate the identity of the corresponding user; Contact spatio-temporal data of at least one target identification code, wherein the spatio-temporal database includes a plurality of spatio-temporal grids, and the spatio-temporal grids include spatio-temporal trajectory data of users with the identification code in the first time period in the first geographical area; for the received Contact the spatio-temporal data for processing, and obtain the processing results used to assist in reflecting the state of disease transmission; output the processing results. The method of the invention can effectively improve the investigation and analysis efficiency of epidemic patients.
Owner:CHINA ACADEMY OF INFORMATION & COMM
Suspected contaminated site spatio-temporal information identification method
PendingCN111651432ALow costDiversity guaranteedDatabase updatingDatabase management systemsTemporal informationData source
The invention discloses a suspected contaminated site spatio-temporal information identification method. The method comprises the following steps: step 1, designing a suspected contaminated site namelist database table structure; step 2, analyzing a data source of each index represented by the suspected contaminated site; step 3, acquiring a suspected contaminated site name list index; step 4, carrying out information verification and supplement on the preliminarily obtained suspected contaminated site list; and step 5, establishing a suspected contaminated site dynamic catalog library. According to the method, Tthe traditional mode of reporting the suspected contaminated site information in combination with statistics in China is perfected, the cost of obtaining the suspected contaminated site name list information is greatly saved, and the comprehensiveness and systematicness of the information are guaranteed; the suspected contaminated site space-time database established based onthe achievements of the invention provides possibility for realizing suspected contaminated site related data source sharing, improving the cooperative work capability of soil environmental protectionrelated departments, saving time and economic cost, and reducing manpower, material resources and cost.
Owner:中科山水(北京)科技信息有限公司 +1
Method for retrieving data object based on spatial-temporal database
ActiveUS11243927B2Easy to useReduce initial investment and maintenance costGeographical information databasesSpecial data processing applicationsData informationManaged object
A method for retrieving data objects based on a spatial-temporal database includes modeling a to-be-managed object in consideration of temporal and spatial statuses of the to-be-managed object; setting specific attributes of the to-be-managed object that are expressed in a natural language according to resultant management models of the managed object; and performing retrieval based on types of the management models of the managed objects and a spatial and / or temporal attribute that is expressed in the natural language and defined by the models so as to determine the operational status of the to-be-managed object. Since data information about monitoring and management of production is described over three temporal periods that are associated to historical data, real-time data and plan data, a user can know spatial-temporal operational statuses of the to-be-managed object by performing retrieval using a spatial-temporal metalanguage, making data management simple and saving storage in computers.
Owner:BEIJING WELLINTECH CO LTD
Track multi-dimensional distributed compression method based on space-time database
PendingCN114328784AGuaranteed compressionImprove scalabilityDatabase distribution/replicationGeographical information databasesTemporal databaseTrajectory data mining
The invention relates to a track multi-dimensional distributed compression method based on a space-time database. The track multi-dimensional distributed compression method comprises the following steps that 1, massive space-time track data are stored in a database; step 2, for the same moving object, performing real-time compression on the same moving object when subsequent track point data is inserted, namely compressing multiple rows of data into one row of data; and step 3, when the track point of the single object reaches a certain limited size, performing table splitting processing on the track point, and performing parallel compression and storage by adopting a distributed compression algorithm for undetermined. According to the method, multi-dimensional compression is carried out on mass trajectory data based on the distributed spatio-temporal database, on the premise that main trajectory features of an original trajectory are reserved, the storage pressure of the trajectory data is greatly reduced, storage resources are saved, and meanwhile computing resources for trajectory data mining are greatly reduced.
Owner:GEOVIS CO LTD
Method and device for constructing space-time atlas of intelligent pipe network
The invention discloses a method and a device for constructing a time-space map of an intelligent pipe network. The method comprises the following steps: acquiring intelligent pipe network spatio-temporal data to establish an intelligent pipe network spatio-temporal database; performing data spatio-temporal knowledge mining on the intelligent pipe network spatio-temporal database to obtain a pipe network spatio-temporal knowledge base; constructing an intelligent pipe network space-time knowledge graph according to the pipe network space-time knowledge base; and updating and maintaining the time-space knowledge graph of the intelligent pipe network according to a preset condition. According to the method, the problems that data and knowledge islands exist and cross-spatio-temporal query and analysis cannot be performed in the current smart pipe network spatio-temporal data re-practice and application process can be solved by constructing the smart pipe network spatio-temporal map; fusion and sharing of the intelligent pipe network spatio-temporal data are facilitated, and restrictions on fusion and sharing of the intelligent pipe network spatio-temporal data in the prior art are broken through.
Owner:PIPECHINA SOUTH CHINA CO
A video surveillance image storage and retrieval method
ActiveCN106156199BAvoid errorsAchieve retrievalVideo data indexingVideo data queryingPattern recognitionVideo monitoring
The invention discloses a method for storing and retrieving video monitoring images. The method includes the following steps: synchronously recording the position parameters and optical parameter information of the camera in the video monitoring image files; after the video monitoring image files are transmitted to the server, the associated server According to the position parameter and the optical parameter information, the time-space coverage corresponding to the video surveillance image and the camera motion state are obtained; wherein, the X-axis of the time-space coverage is longitude, the Y-axis is latitude, and the Z-axis is time; The camera movement state mentioned above refers to rotation and stretching operations. A surveillance video spatio-temporal database is constructed from the spatio-temporal coverage, the motion state and corresponding video surveillance images; the time- and space-based query of the surveillance video is realized through the surveillance video spatio-temporal database. The realization of the scheme of the present invention makes up for the deficiency of video data retrieval based on image content, and realizes retrieval based on time and space coverage.
Owner:TSINGHUA UNIV
Method and system for judging width of gob-side entry driving coal pillar through Internet of Things data
PendingCN111814242AGeometric CADSpecial data processing applicationsTime informationData information
The embodiment of the invention discloses a method and a system for judging the width of a gob-side entry driving coal pillar through Internet of Things data. The method comprises the following steps:step 100, analyzing a section shape by utilizing gob-side entry driving coal pillar data information to obtain a continuous characteristic node representing the section shape; step 200, constructinga gob-side entry driving coal pillar width model according to the continuous feature nodes; step 300, according to the coal pillar width model, calculating model data based on gob-side entry driving coal pillar center line information, and applying the model data to a Blender visualization platform; step 400, judging the width of the gob-side entry driving coal pillar according to the data changeof the Blender visual platform, building a three-dimensional vector data volume model and a gob-side entrydriving coal pillar width model through real-time data transmitted by a monitoring system, sothe physical model of the underground roadway driving coal pillar can be accurately expressed, and the space-time database is established to express the space-time information of the space-time data object, so that the occupation of a memory is greatly reduced, the query speed of roadway data is increased, and the processing time of detail data is shortened.
Owner:XINJIANG INST OF ENG
A Suspicious Vehicle Discovery Method Based on Spatiotemporal Range Constraints
ActiveCN108874979BImprove discovery efficiencySpecial data processing applicationsDatabase modelsTrajectory databaseEngineering
Owner:江苏天泽智联信息技术有限公司
An underground illegal mining identification method and system integrating d-insar and gis technology
The invention discloses an underground illegal mining identification method and system integrated with the D-InSAR and GIS technology. The method includes the steps of integrating the D-InSAR technology and the GIS technology comprehensively, and building a mining subsidence space-time database by taking vectors, digital rasters, radar images and social reports as the data base and an oracle 13g framework as an underlying platform; and realizing the management and processing technology of massive data, the extraction technology of deformation information and the identification of underground illegal mining by calling attribute acquisition, graphics clipping, element conversion, reclassification, raster technology, overlay analysis, map algebra, contour and curvature and slope generation and other spatial data processing and analysis algorithms provided by the ArcGIS Engine10.3. According to the invention, the purpose of real-time dynamic monitoring of underground illegal mining activities is achieved.
Owner:EAST CHINA UNIV OF TECH +1
A real-time monitoring method for reservoir inspection based on 3D gis
ActiveCN107576311BAchieve informatizationRealizePhotogrammetry/videogrammetryOpen water surveyInformatizationData information
Owner:CHANGJIANG RIVER SCI RES INST CHANGJIANG WATER RESOURCES COMMISSION
Reachability query method and device based on Top-k space keyword
PendingCN114357320AGood path accuracyDigital data information retrievalSpecial data processing applicationsReachabilityRoad networks
The invention discloses an accessibility query method and device based on Top-k space keywords, and relates to the field of space-time databases, the method comprises the following steps: counting points v of a road e, wherein v comprises intersection points and end points, counting a road between two adjacent v as a road section r, and establishing a road network G; recording historical tracks according to the road network G to obtain a track set; in the road network G, enabling a positioning position o for initiating spatial text object query to correspond to a road section r0 in the road e, and enabling a spatial position of a spatial text object to correspond to a target road section ri; and retrieving the reachability of the trajectory from the road section r0 to the target road section ri in the query time period in the trajectory set. The method can give consideration to a query algorithm of accessibility, spatial proximity and text similarity, and is realized by designing a spatio-temporal index and a space-text object index (such as an STOI structure). Reachability pruning, spatial proximity pruning and text similarity pruning are carried out in the query process, so that the query speed is increased.
Owner:SOUTH CENTRAL UNIVERSITY FOR NATIONALITIES
A Flood Forecasting Method Based on Spatiotemporal Database of Rainfall and Flood
ActiveCN106651004BRealize space-time displayAccurate predictionForecastingGeographical information databasesTemporal databaseClass model
The invention relates to a flood forecasting method based on a rainfall flood space-time database. The flood forecasting method comprises the following steps that 1) the rainfall flood space-time database is constructed; 2) a dynamic space-time rainfall map is drawn according to the rainfall flood space-time database with combination of GIS map data; 3) the space-time data corresponding to all the heavy rain paths involved in the flood in the historical periods of time are acquired according to the rainfall flood space-time database, and the heavy rain paths are displayed on the space-time rainfall map; and 4) corresponding class models are acquired according to the space-time data corresponding all the heavy rain paths, and flood forecasting is performed according to the class models. Compared with the methods in the prior art, the flood forecasting method has the advantages of being connected in space and time, dynamic and visual and accurate in forecasting.
Owner:SHANGHAI NORMAL UNIVERSITY
Method and device for establishing wireless cell space-time database
ActiveCN109376211BImprove efficiencyShorten the timeGeographical information databasesTemporal databaseStation
Owner:CHINA UNITED NETWORK COMM GRP CO LTD
Long-distance gas transmission pipeline spatio-temporal data fusion system and method based on dynamic segmentation
InactiveCN114048189ATo achieve an integrated organizationRealize managementDatabase management systemsSpecial data processing applicationsData transformationAmbient data
The invention discloses a long-distance gas transmission pipeline spatio-temporal data fusion system and method based on dynamic segmentation, and relates to the field of underground pipeline data fusion, data organization models and spatio-temporal indexing. The method comprises the following steps: acquiring gas transmission pipeline data; extracting the data of the gas transmission pipeline to obtain sample data of the gas transmission pipeline; standardizing the sample data of the gas transmission pipeline to obtain standardized sample data; performing data conversion on the standardized sample data to obtain converted sample data; performing data fusion on the converted sample data, and establishing a gas transmission pipeline space-time database. According to the invention, long-distance gas transmission pipeline spatio-temporal data fusion can be carried out, and a spatio-temporal data index model is established to efficiently manage data, so that integrated organization and management of long-distance gas transmission pipeline body, operation and maintenance and environment data are realized; and a solid data support is provided for safety space-time analysis of the long-distance gas transmission pipeline and accurate acquisition of potential safety hazards of pipeline operation.
Owner:成都垣景科技有限公司 +2
A real population analysis method and system based on spatio-temporal data
ActiveCN112052280BAnalysis results are accurate and timelyImprove analysis efficiencyData processing applicationsSpecial data processing applicationsData miningBiology
The present invention provides a real population analysis method and system based on spatio-temporal data, including compressing a large amount of data with a common subject object in the spatio-temporal trajectory data into one data record based on the object normalization algorithm, and then using the site aggregation algorithm Multiple similar positions of the same subject object in the spatio-temporal trajectory data are aggregated into the same position to form an object spatio-temporal database; the object spatio-temporal database is filtered based on the type of personnel stay, and the residents and passers-by are extracted, respectively. It is saved as a collection of residents and a collection of passing people, and the collection of residents is updated and saved every day, and the collection of residents calculated every day by statistics constitutes the local actual population database. Compared with the traditional actual population analysis method, the present invention greatly reduces the scale of data, improves the analysis efficiency and accuracy of massive spatio-temporal data, and realizes more accurate and timely automatic analysis of local actual population .
Owner:XIAMEN MEIYA PICO INFORMATION
A Retrieval Method for Data Objects Based on Spatio-temporal Database
ActiveCN106446278BThe search method is simple and convenientEasy for production managementDatabase distribution/replicationSpecial data processing applicationsObject basedManagement object
The invention relates to a retrieval method for data objects based on a spatio-temporal database, characterized in that the retrieval method includes the following steps: modeling the management object according to the time state and space state of the object to be managed; The management model of the object sets the specific attributes described by means of natural language of the object to be managed; based on the category of the management model of the managed object and the time attribute and / or spatial attribute described by means of natural language defined by the modeling Retrieval is performed to determine the running state of the managed object. The spatio-temporal database of the present invention describes the data information of production monitoring and management through three periods of history, real-time and planning. Users do not need to master computer language, they only need to use spatio-temporal meta-language to understand the spatio-temporal data of managed objects and understand the spatio-temporal operation status of managed objects, which not only saves computer content but also facilitates management.
Owner:BEIJING WELLINTECH CO LTD
An Efficient Visualization Method and System for Space-Time Big Data Grid Coding
ActiveCN111782745BImprove query efficiencyImprove loading speedGeographical information databasesSpecial data processing applicationsData setEngineering
Owner:CHINA UNIV OF MINING & TECH (BEIJING)
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