JPH0783375B2 - Multiple information batch search method - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to an information search method in a videotex system, and particularly to a case where a plurality of pieces of information of the same type are searched, the same information is repeatedly used, or a long time. The present invention relates to a multiple information batch search method that is suitable when information is used over a period of time.

[Prior Art] The conventional videotex system is "Videotex communication network service interface (terminal)" (Nippon Telegraph and Telephone Public Corporation, published by Telecommunications Association (August 25, 1984))
As can be seen from the basic operating procedure described on pages 16 and 17 of this, when searching for some information, the center that holds that information is called, and after connecting to this, basically the search is performed. Each time a request is made, the center provides information according to the request.

[Problems to be Solved by the Invention] However, until now, each time a search request is made, information is transferred and displayed from the center in response to the request, and therefore information selection / search operations are performed. No information is transferred on the line while the information is being displayed on the inside or in the terminal, and the line use efficiency is considerably reduced.

An object of the present invention is to provide a multiple information batch search method capable of collectively searching multiple screen information of the same type with high line usage efficiency. [Means for Solving the Problems] The above object is to provide a calling subscriber terminal. When requesting a search for screen information from an information center that has various databases via the Videotex communication network and a subscriber terminal makes a batch search request for multiple screen information of the same type, the information center After being stored in a calling subscriber terminal via the Videotex communication network in the form of a transparent transferable data format in the network as an integrated information of the plurality of screen information, these information are selectively selected in the offline mode at any time. It is achieved by being read and displayed on the calling subscriber terminal.

[Operation] After the subscriber terminal is connected to the center by a line, when the subscriber terminal requests the center to retrieve a group of screen information of the same type (hereinafter, may be simply referred to as information), the center retrieves the information. After being integrated, it can be collectively transferred and stored in the subscriber terminal. At the subscriber terminal, after all the information is received, the line with the center is disconnected, and then the stored information is taken out and displayed in information units in the offline mode.

That is, in the online mode, only the transfer of information is performed, and the search and display of information are performed in the offline mode, so that the line use efficiency can be greatly improved.

EXAMPLES The present invention will be described below with reference to FIGS. 1 to 5.

First, the videotex system according to the present invention will be described by taking a captain system as an example, and FIG. 2 shows a schematic system configuration thereof. As shown in the figure, it comprises an information center 1 for holding various information, a videotex communication network 2 for performing exchange processing, and a plurality of subscriber terminals 4 accommodated in the videotex communication network 2. The subscriber terminal 4 is provided with a telephone 3 for connecting a line, but is also configured to have an auxiliary storage device 5 for storing a plurality of information, which has a relatively large capacity in the implementation of the present invention, and required information. while issuing the search request to the information center 1, the information corresponding to the request from the information center 1 after being transferred to the subscriber terminal 4, CAPT AIN pLPS (P resentation L evel P r
otocol S yntax) that it is processed in accordance with, and is displayed to the subscriber terminal 4. When a multiple information batch search request is issued as a search request, a plurality of information items are collectively transferred and stored in the auxiliary storage device 5 from the information center 1, and the information items can be displayed at any time thereafter. is there.

FIG. 1 shows a basic operation procedure in the case of carrying out a collective search of a plurality of information. In this case, after the telephone number of the information center 1 is dialed from the subscriber terminal 4 by the telephone 3 after the special number "166", the switching button is pressed by the videotex switching instruction from the videotex communication network 2. It has become so. By this operation, the connection with the information center 1 is completed, and the start screen after the terminal profile (terminal class) is transmitted from the subscriber terminal 4 is displayed on the subscriber terminal 4, so that the necessary information can be retrieved as screen information. It will be.

By the way, in the information center 1, each screen information 21 in the form as shown in FIG.
Are stored in an associated state by the next screen access selector 22. When searching for screen information with the captain, enter the screen number corresponding to the desired screen information using a guidebook, enter the item name in kana characters, or follow the table of contents guideline information. There is a selection method, but in any case, it is easy to find a desired information block. Unique Well, the screen information as shown in FIG. 4, has a screen number consisting of 11 digits, but the first four digits are the IP (I nformation P rovider) numbers, each information block by its IP number It can be specified. In the screen information selection method by inputting the screen number, the IP number is searched. In the search by the IP number up to now, after selecting the information block, the search is carried out in the conversation mode with the center in order from the highest screen information shown in FIGS. 3A and 3B. By entering the screen number as "+" batch data transfer instruction code,
It is possible to transfer the entire information block.

As shown in FIG. 1, when the information center 1 receives a collective search request from the subscriber terminal 4, all screen information belonging to the information block designated by the IP number is integrated as one information. The data is transferred to the subscriber terminal 4 side. However, at that time, in the Videotex communication network 2, the information from the information center 1 is PLPS.
Since it is checked, the integrated information cannot be transferred as it is. Therefore, the integrated information is transferred as telesoftware data information that can be transferred transparently in the videotex communication network 2. The format concept of the information transferred from the information center 1 in that case is, as shown in FIG. 5, A screen information (screen management information), C screen information (next screen selection information) and B screen information (screen information). The data format consists of labels 31 and 4 representing each information.
1, 51 and length indicating codes 32, 42, 52 indicating the data length are added. Of these information, the B screen information is composed of a label 51, a length instruction code 52, screen control information 53, header information 54 and telesoftware information 55, and the telesoftware information 55 itself is a telesoftware as an identifier. Operation code 551, length identification code 552 indicating data length, and screen information 553 as information block constituent element
-1 to 553-n. When transferred as a telesoftware data format, the information inside the telesoftware is not subject to the PLPS check in the videotex communication network, so multiple screen information is collectively sent as it is to the subscriber through the videotex communication network. It can be transferred to the terminal 4 side.

When the subscriber terminal 4 receives the information from the information center 1, the subscriber terminal 4 immediately stores the information in the auxiliary storage device 5. However, when the telesoftware information is received, the auxiliary storage device 5 can store the information. It is easier than the above technology and does not require any special explanation.

Now, the subscriber terminal 4 disconnects the connection with the information center 1 when all the information is received and stored, and then searches the screen information stored in the auxiliary storage device 5 in the offline mode. A plurality of pieces of screen information are stored in the device 5 in an integrated form, and since each screen information is stored in the information center 1, a length indicating code indicating its size is attached to each screen information. With this information, it is easy to extract from the auxiliary storage device 5 for each screen information by the conventional technique. The screen information retrieved from the auxiliary storage device 5 is processed into a visible format by the processing function conforming to the CAPTAIN PLPS of the subscriber terminal 4, as in the case where the screen information is directly transferred from the information center 1. The screen information on the auxiliary storage device 5 can be recognized as visible information each time a search request is made.

[Effects of the Invention] As described above, according to the present invention, the line being connected is used only for information transfer without being reserved for searching, and the line use efficiency is greatly improved. There is an effect that is.

[Brief description of drawings]

FIG. 1 is a diagram showing a basic operation procedure when performing a multiple information batch search according to the present invention, FIG. 2 is a diagram showing a schematic system configuration of a videotex system, and FIG. 3 is an information block constituent element. Showing examples of related aspects of each screen information, FIG. 4 is a view for explaining a screen information selecting method by inputting a screen number, and FIG. 5 is a view showing a format of telesoftware data information. is there. 1 ... Information center, 2 ... Videotex communication network, 3 ...
... Telephone, 4 ... subscriber terminal, 5 ... auxiliary storage device.

Claims (1)

[Claims] 1. When a calling subscriber terminal requests a screen information search request to an information center having various databases via a videotex communication network, a collective search for a plurality of screen information of the same kind from the subscriber terminal. When there is a request, the information center transfers and stores the information as integrated information of the plurality of screen information to the calling subscriber terminal through the videotex communication network in a transparent transferable data format in the network. A method for collectively retrieving a plurality of information in which information is selectively read out at any time in an offline mode and then displayed on the terminal.