135
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DOOD
1995
Springer
15 years 8 months ago
1995
Springer
Semantics represents a major problem area for active databases inasmuch as (i) there is l framework for defining the abstract semantics of active rules, and (ii) the various syst...
138
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DOOD
1995
Springer
15 years 8 months ago
1995
Springer
Abstract. Semistructured data has no absolute schema xed in advance and its structure may be irregular or incomplete. Such data commonly arises in sources that do not impose a rigi...
121
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DOOD
1995
Springer
15 years 8 months ago
1995
Springer
Wrappers provide access to heterogeneous information sources by converting application queries into source speci c queries or commands. In this paper we present a wrapper implemen...
150
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WAIM
2000
Springer
15 years 8 months ago
2000
Springer
In this paper, a locking-based concurrency control scheme is presented for object-oriented databases (OODBs). It is designed for controlling accesses to class hierarchy, which is ...