1179 search results - page 19 / 236 » Query Containment for Data Integration Systems |
167
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SIGMOD
2008
ACM
15 years 9 months ago
2008
ACM
We study the problem of querying relational data embedded in XML. Relational data can be represented by various tree structures in XML. However, current XML query methods, such as...
96
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VLDB
2011
ACM
14 years 4 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...
AP2PC
2004
Springer
15 years 3 months ago
2004
Springer
Abstract. Peer-to-Peer (P2P) data management systems combine traditional schema-based integration techniques with the P2P infrastructure. In this paper, we propose a P2P data manag...
81
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BMCBI
2006
14 years 9 months ago
2006
Background: Evolutionary genomics requires management and filtering of large numbers of diverse genomic sequences for accurate analysis and inference on evolutionary processes of ...
ICDE
2007
IEEE
15 years 4 months ago
2007
IEEE
Recently there is much need of discovering useful knowledge from massive log-data which are generated by Webbased information systems. Such log-data have multiple attributes about...