The invention discloses a data query method for a heterogeneous storage oriented multi-source data management and visualization system, and provides a heterogeneous storage oriented multi-source data management and visualization system. The system comprises a storage layer, a service layer and an application layer, wherein the storage layer is used for storing structured data and unstructured data; the service layer is used for extracting, processing, fusing and abstracting the stored data, and the stored data is formed into business data; the application layer is used for carrying out re-organization on the business data through a visualization technology to form special data used for a specific scene; a uniform access interface is provided for a heterogeneous data source, a user does not need to import and export data among a plurality of database storage systems, the maintenance efficiency of the heterogeneous data source is greatly improved, and one-stop management of the multi-source heterogeneous data is realized; and through a visualization way, the visualization connection table query of a trans-heterogeneous data source is realized, a connection table query complexity is greatly lowered, and the reconstruction of the heterogeneous data source is realized.

Data query method for heterogeneous storage oriented multi-source data management and visualization system

The invention discloses middleware based on an SOA (Service-Oriented Architecture) and an information publishing method thereof The middleware based on the SOA comprises a wrapper which is connected with data sources, and a middle execution engine Data integration middleware acquires data source data by calling of a core Web service deployed on each data source and converts the acquired data into XML (Extensive Markup Language) data; an XML data integration processing module performs combination and conversion operation on the XML data, and the combined and converted XML data is finally transmitted to a user in a uniform XML data format; and the middle execution engine consists of a metadata manager for storing global information, an XML data integration processing module and the core Web service

Middleware based on SOA (Service-Oriented Architecture) and information publishing method thereof

The invention discloses a body area network based on the Android. The body area network based on the Android comprises a sensor collecting system, an intelligent control terminal loading with an Android application system, and a cloud platform service system offering consultation services. The intelligent terminal connection method of the body area network comprises the steps of searching for equipment, obtaining equipment information, setting up a background list, obtaining equipment names and MAC addresses, judging whether the equipment is paired, creating a non-return value method, creating a Bluetooth socket, receiving a data package, obtaining perception data, setting up a child thread and displaying sign data. According to the body area network based on the Android and the intelligent terminal connection method thereof, automatic Bluetooth connection of the intelligent control terminal and the sensor collecting system can be achieved, the sign data can be displayed automatically, and Bluetooth connection steps are simplified. Meanwhile, the body area network based on the Android is suitable for being used by old people, and can be popularized in family health medical treatment application conveniently.

Body area network based on Android and intelligent terminal connection method thereof

The invention relates to a method and system of corporate heterogeneous database intelligent integration. The system comprises a data warehouse, an integrated data layer and an application interface. According to the method and system of the corporate heterogeneous database intelligent integration, a heterogeneous database achieves data sharing, and each database system keeps own integrity, autonomy and safety.

Method and system of corporate heterogeneous database intelligent integration

The invention discloses a data query method based on a big data environment. The method comprises the steps of: when receiving a query request inputted by a client, analyzing the query request, acquiring a context relation of the query request, and forming a sequence of statement; analyzing statements which are distinguished in order based on metadata information, and obtaining nodes where a data source locates and node types; generating data manipulation statements corresponding to various nodes; and summarizing a manipulation result fed back by the various nodes to a buffer pool, performing merging treatment according to the sequence of statement, generating a query result, and outputting the query result to the client. The invention further discloses a data query device based on the big data environment. The technical scheme of the invention can provide a unified query interface of a Hadoop big data environment and a relational database, and make up the technical bottleneck that data of the existing relational database and data of the Hadoop big data environment cannot be directly exchanged.

Data query method and device based on big data environment

The invention provides a multi-source heterogeneous database fusion system and a data query method thereof The system comprises a database layer, a data fusion layer and a uniform application layer The database layer is composed of heterogeneous databases and agencies of the heterogeneous databases The data fusion layer is used for fusing information of all heterogeneous data sources, and is responsible for data access of the heterogeneous data sources and coordinating the information of all the data sources, and specifically comprises a metadata data base (DB), a metadata manager, a comprehensive wrapper, a mediator, an application layer access uniform interface and a heterogeneous database uniform interface The uniform application layer is the user of the heterogeneous database fusion system and can have access to shared data resources of the heterogeneous databases by fusing middle layers The multi-source heterogeneous database fusion system and the data query method of the multi-source heterogeneous database fusion system solve the problems in heterogeneous database fusion and overcome the defects of an existing database fusion technology The system can conduct transparent query on all the heterogeneous databases on the condition that local databases are not affected, and the maintenance cost of the system is reduced

Multi-source heterogeneous database fusion system and data query method thereof

The invention provides a Bluetooth-based medical information acquisition system The acquisition system comprises an information acquisition node, an information acquisition terminal, a network server and a monitoring terminal, wherein the information acquisition terminal and the monitoring terminal are connected with the network server respectively; and the information acquisition node is connected with the information acquisition terminal The invention also provides an acquisition method based on the system Acquisition, processing, transmission, storage and management of remote medical information are performed by establishing the Bluetooth-based information acquisition system, so that remote acquisition of medical information is realized, the state of an illness is monitored in real time, the physiological status of a patient can be monitored conveniently, and the method is particularly suitable for a chronic patient The medical quality can be obviously improved, the medical cost can be reduced, and broad application range and market space are realized

Bluetooth-based medical information acquisition system and acquisition method

The utility model provides a medical information collection system based on Bluetooth. The collection system comprises an information collection node, an information collection terminal, a network server and a monitor terminal, wherein the information collection terminal and the monitor terminal are respectively connected with the network server, and the information collection node is in connection with the information collection terminal. According to the medical information collection system based on the Bluetooth, medical quality can be remarkably improved, medical cost is reduced, and the medical information collection system based on the Bluetooth has wide application range and market space.

Medical information collection system based on Bluetooth

The invention discloses a Web content switching system based on a session initiation (SIP) protocol and a switching method of the Web content switching system, and belongs to the technical field of network communication. The Web content switching system based on the SIP protocol comprises a Web server, user equipment, and a SIP proxy server. In the switching method of the Web content switching system, the user equipment registers an identification ID to the SIP proxy server, after the user equipment which lunches conversational service sends out a switching business request, the SIP proxy server sends the user equipment ID which is registered to the user equipment which lunches the conversational service, the SIP proxy server processes SIP protocol information generated by the user equipment which lunches the conversational service and a switching service command is obtained, and the user equipment continuing the conversational service selects the way of accessing the Web server according to a self device type. The Web content switching system based on the SIP protocol and the switching method of the Web content switching system not only achieves seamless switching of Web conversation, but also supports business switching among different devices.

Liang Lin

Papers

Multi-source heterogeneous database fusion system and data query method thereof

Bluetooth-based medical information acquisition system and acquisition method

Medical information collection system based on Bluetooth

Web content switching system based on session initiation (SIP) protocol and switching method thereof