349 search results - page 43 / 70 » Query Rewriting for Semistructured Data |
203
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ICDE
1999
IEEE
16 years 3 months ago
1999
IEEE
We study similarity queries for time series data where similarity is defined in terms of a set of linear transformations on the Fourier series representation of a sequence. We hav...
127
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VLDB
2011
ACM
14 years 8 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...
135
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ER
2010
Springer
14 years 12 months ago
2010
Springer
Traditional information search in which queries are posed against a known and rigid schema over a structured database is shifting towards a Web scenario in which exposed schemas ar...
120
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ADBIS
2004
Springer
15 years 7 months ago
2004
Springer
Abstract. Query reformulation techniques based on semantic knowledge have been used in two ways in database management systems, namely for query optimization and for data integrati...
121
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PLDI
2004
ACM
15 years 7 months ago
2004
ACM
Regular path queries are a way of declaratively expressing queries on graphs as regular-expression-like patterns that are matched against paths in the graph. There are two kinds o...