716 search results - page 104 / 144 » Optimizing Queries in Extended Relational Databases |
100
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ESWS
2009
Springer
15 years 5 months ago
2009
Springer
We present GiaBATA, a system for storing, aggregating, and querying Semantic Web data, based on declarative logic programming technology, namely on the dlvhex system, which allows ...
DOCENG
2009
ACM
15 years 5 months ago
2009
ACM
We study the analysis problem of XPath expressions with counting constraints. Such expressions are commonly used in document transformations or programs in which they select porti...
VLDB
2001
ACM
15 years 3 months ago
2001
ACM
Queries navigate semistructured data via path expressions, and can be accelerated using an index. Our solution encodes paths as strings, and inserts those strings into a special i...
114
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ICDM
2009
IEEE
14 years 9 months ago
2009
IEEE
We propose a hybrid clustering strategy by integrating heterogeneous information sources as graphs. The hybrid clustering method is extended on the basis of modularity based Louva...
102
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ER
2004
Springer
15 years 4 months ago
2004
Springer
Abstract. Past research work on modeling and managing temporal information has, so far, failed to elicit support in commercial database systems. The increasing popularity of XML oï...