System for data sharing among independently-operating informatio

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39520009, 395934, 3642824, 3642745, 3642764, 364DIG1, 3642824, 3642745, 3642764, 3649723, 3649747, G06F 1730

Patent

active

055048900

ABSTRACT:
A system is provided for sharing data among cooperating but independently-operating data-gathering contributors. Each contributor maintains a database with information therein which pertains to monitored entities. The information is arranged in data fields. In each database, a contributor-specific subset of the data fields is identified which contains information about the monitored entities which is uniquely associated with a particular one of the cooperating but independently-operating data-gathering contributors. For each database, a monitored-entity subset of data fields is identified which contains information about the monitored entities which is not uniquely associated with one of the cooperating but independently-operating data-gathering contributors, and which appears in the databases. A viewing prioritization rule set is derived for each of the cooperating but independently-operating data-gathering contributors. A record management program is provided which is executed by a data processing system. The record management program includes a search routine which responds to a search query of a particular contributor by retrieving data. The data processing system further includes a view routine which assembles data for display in accordance with the viewing prioritization rule set associated with the contributor, and which automatically resolves conflicts between information in the monitored-entity subset of data fields in accordance with the viewing prioritization rule set.

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Li et al., "Using Field Specifications to Determine Attribute Equivalence in Heterogeneous Databases" 20 Apr. 1993 pp. 174-177, IEEE.
Tsaz et al., "Querying Uncertain Data in Heterogeneous Databases", 20 Apr. 1993 pp 161-168, IEEE, Proceedings RIDE-IMS '93 Third International Workshops.
Pane et al. "Semantic Query Processing in Multidatabase Systems", A Logic-Based Approach 16 Apr. 92, pp. 318-324, IEEE.

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