Automatically assigned DDC number: 00574

Manually assigned DDC number: 005753

Number of references: 32

Title: Temporal Query Languages: a Survey

Subject: Temporal Query Languages: a Survey

Description: We define formal notions of temporal domain and temporal database, and use them to survey a wide spectrum of temporal query languages. We distinguish between an abstract temporal database and its concrete representations, and accordingly between abstract and concrete temporal query languages. We also address the issue of incomplete temporal information. 1 Introduction A temporal database is a repository of temporal information. A temporal query language is any query language for temporal databases. In this paper we propose a formal notion of temporal database and use this notion in surveying a wide spectrum of temporal query languages. The need to store temporal information arises in many computer applications. Consider, for example, records of various kinds: financial [37], personnel, medical [98], or judicial. Also, monitoring data, e.g., in telecommunications network management [4] or process control, has often a temporal dimension. There has been a lot of research in temporal dat...

Contributor: The Pennsylvania State University CiteSeer Archives

Publisher: unknown

Date: 1995-01-25

Pubyear: 1995

Format: ps

Identifier: http://citeseer.ist.psu.edu/76859.html

Source: http://129.130.10.93/~schmidt/techreport/ftppub/CIS/CIS/Chomicki/ictl94.ps.Z

Language: en

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