1588 search results - page 87 / 318 » Consistent query answering in databases |
184
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ICDT
2011
ACM
14 years 7 months ago
2011
ACM
The goal of Knowledge Compilation is to represent a Boolean expression in a format in which it can answer a range of online-queries in PTIME. The online-query of main interest to ...
149
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VLDB
2011
ACM
14 years 11 months ago
2011
ACM
Schema mappings are high-level specifications that describe the relationship between two database schemas. They are an important tool in several areas of database research, notab...
138
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GLOBE
2009
Springer
15 years 8 months ago
2009
Springer
Abstract. We show how to specify and use the metadata for a virtual and relational data integration system under the local-as-view (LAV) approach. We use XML and RuleML for represe...
139
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FQAS
2006
Springer
15 years 8 months ago
2006
Springer
Abstract. Highly heterogeneous XML collections are thematic collections exploiting different structures: the parent-child or ancestor-descendant relationships are not preserved and...
225
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ICDE
2006
IEEE
16 years 5 months ago
2006
IEEE
Graphs have become popular for modeling structured data. As a result, graph queries are becoming common and graph indexing has come to play an essential role in query processing. ...