2956 search results - page 153 / 592 » Databases and Higher Types |
118
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EUSFLAT
2001
15 years 4 months ago
2001
Flexible querying aims at expressing preferences inside queries instead of strict requirements. We consider ordinary relational databases and flexible querying calling on fuzzy se...
200
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SIGMOD
2008
ACM
16 years 3 months ago
2008
ACM
We present SchemaScope, a system to derive Document Type Definitions and XML Schemas from corpora of sample XML documents. Tools are provided to visualize, clean, and refine exist...
106
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PODS
2004
ACM
16 years 3 months ago
2004
ACM
Typechecking consists of statically verifying whether the output of an XML transformation is always conform to an output type for documents satisfying a given input type. We focus...
132
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ADBIS
2000
Springer
15 years 7 months ago
2000
Springer
Data collected in many applications have a form of sequences of events. One of the popular data mining problems is discovery of frequently occurring episodes in such sequences. Eff...
110
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SIGMOD
1995
ACM
15 years 6 months ago
1995
ACM
: ANSI SQL-92 [MS, ANSI] defines Isolation Levels in terms of phenomena: Dirty Reads, Non-Repeatable Reads, and Phantoms. This paper shows that these phenomena and the ANSI SQL def...