1039 search results - page 147 / 208 » Query reformulation with constraints |
137
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ICDT
2005
ACM
15 years 10 months ago
2005
ACM
We formulate and study a privacy guarantee to data owners, who share information with clients by publishing views of a proprietary database. The owner identifies the sensitive pro...
144
Voted
BTW
2001
Springer
15 years 9 months ago
2001
Springer
Abstract. We propose a scaleable multi-user benchmark called XMach-1 (XML Data Management benchmark) for evaluating the performance of XML data management systems. It is based on a...
118
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IEAAIE
2001
Springer
15 years 9 months ago
2001
Springer
Abstract. This paper presents AROM, a new object-based knowledge representation system. AROM is original in two ways. Firstly, in addition to classes, knowledge representation in A...
122
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GIS
1999
ACM
15 years 8 months ago
1999
ACM
Spatial indexes, such as the PMR quadtree, are important in spatial databases for efficient execution of queries involving spatial constraints, especially when the queries involv...
125
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ICDT
1997
ACM
15 years 8 months ago
1997
ACM
We develop a new schema for unstructured data. Traditional schemas resemble the type systems of programming languages. For unstructured data, however, the underlying type may be mu...