1996-02-13
1998-07-28
Pan, Daniel H.
39520057, 39518217, G06F 1516, G06F 1314, H04L 1242
Patent
active
057872449
ABSTRACT:
An information retrieval system of a client/server model for executing communication between a client unit for instructing information retrieval and a server unit for accepting the information retrieval instruction. The client unit includes an abnormality-in-communication detecting unit for detecting the occurrence of an abnormality in communication. A retrieval condition holding unit holds retrieval conditions relating to the information retrieval, that have been inputted up to the point of interruption of the information retrieval, when the server unit enters the state of an abnormal end due to an abnormality in communication and when the information retrieval is interrupted. A retrieval requesting unit reads out the retrieval conditions from the retrieval condition holding unit and sends them to the server unit at the time of restart of the interrupted information retrieval, when the retrieval conditions in the retrieval condition holding unit are judged as necessary. The server unit includes a retrieving unit for executing information retrieval on the basis of the retrieval conditions so read out.
REFERENCES:
patent: 5333314 (1994-07-01), Masai et al.
patent: 5455953 (1995-10-01), Russell
patent: 5553239 (1996-09-01), Heath et al.
Hiratsuka Nobuyuki
Horikawa Akira
Fujitsu Limited
Pan Daniel H.
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