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189
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ADBIS
2005
Springer
16 years 19 hour ago
2005
Springer
A key observation is that the invariants in database management determine the mapping steps of the supporting architecture. Referring to the multi-layered architecture of record-or...
181
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VLDB
2004
ACM
15 years 11 months ago
2004
ACM
The widespread adoption of XML holds out the promise that document structure can be exploited to specify precise database queries. However, the user may have only a limited knowle...
153
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ECIR
2010
Springer
15 years 8 months ago
2010
Springer
In this paper, we complement the term frequency, which is used in many bag-of-words based information retrieval models, with information about the semantic relatedness of query and...
261
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SIGMOD
2005
ACM
16 years 6 months ago
2005
ACM
The key of overlapping structures or concurrent markup hierarchies in XML encodings of documents is that markup in one hierarchy is not necessarily well-formed with respect to the...
204
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SIGMOD
2010
ACM
15 years 6 months ago
2010
ACM
Automated extraction of structured data from Web sources often leads to large heterogeneous knowledge bases (KB), with data and schema items numbering in the hundreds of thousands...