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113
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NGITS
1995
Springer
15 years 7 months ago
1995
Springer
Dozens of temporal extension of the relational data model and of the query language SQL have appeared in recent years. Recently, a committee formed by researchers from the academi...
108
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WWW
2005
ACM
16 years 4 months ago
2005
ACM
In an environment of distributed text collections, the first step in the information retrieval process is to identify which of all available collections are more relevant to a giv...
129
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KDD
2003
ACM
16 years 3 months ago
2003
ACM
Large and complex graphs representing relationships among sets of entities are an increasingly common focus of interest in data analysis--examples include social networks, Web gra...
230
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SIGMOD
2009
ACM
16 years 3 months ago
2009
ACM
A large number of online databases are hidden behind the web. Users to these systems can form queries through web forms to retrieve a small sample of the database. Sampling such h...
115
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PODS
2005
ACM
16 years 3 months ago
2005
ACM
We study the satisfiability problem associated with XPath in the presence of DTDs. This is the problem of determining, given a query p in an XPath fragment and a DTD D, whether or...