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Atlas: a nested relational database system for text applications

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5 Author(s)
Sacks-Davis, R. ; Collaborative Inf. Technol. Res. Inst., Melbourne Univ., Carlton, Vic., Australia ; Kent, A. ; Ramamohanarao, K. ; Thom, J.
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Advanced database applications require facilities such as text indexing, image storage, and the ability to store data with a complex structure. However, these facilities are not usually included in traditional database systems. In this paper we describe Atlas, a nested relational database system that has been designed for text-based applications. The Atlas query language is TQL, an SQL-like query language with text operators. The query language is supported by signature file text indexing techniques, and by a parser that can be configured for different text formats and even some foreign languages. Atlas can also be used to store images and audio

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Knowledge and Data Engineering, IEEE Transactions on  (Volume:7 ,  Issue: 3 )