1394 search results - page 162 / 279 » Executing Nested Queries |
123
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ICDT
2010
ACM
15 years 8 months ago
2010
ACM
We examine schema mappings from a type-theoretic perspective and aim to facilitate and formalize the reuse of mappings. Starting with the mapping language of Clio, we present a ty...
113
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DEXAW
1997
IEEE
15 years 7 months ago
1997
IEEE
This paper proposes a system which eases the job of entering and sharing expert analysis on a database system, with emphasis to pictorial and document information. With this syste...
122
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EKAW
2006
Springer
15 years 7 months ago
2006
Springer
As new semantic web standards evolve to allow quantified rules in FOL, we need new ways to capture them from end users. We show how to do this against a graphic view of entities an...
126
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ER
2006
Springer
15 years 7 months ago
2006
Springer
Statistical summaries in relational databases mainly focus on the distribution of data values and have been found useful for various applications, such as query evaluation and data...
126
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AMW
2010
15 years 4 months ago
2010
Abstract. A large volume of data with complex structures is currently represented in GML (Geography Markup Language) for storing and exchanging geographic information. As the size ...