904 search results - page 62 / 181 » Query Graph Visualizer: A Collaborative Querying System |
135
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KDD
2009
ACM
16 years 3 months ago
2009
ACM
Motivated by structural properties of the Web graph that support efficient data structures for in memory adjacency queries, we study the extent to which a large network can be com...
134
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PODS
2004
ACM
16 years 3 months ago
2004
ACM
Unions of conjunctive queries, also known as select-project-join-union queries, are the most frequently asked queries in relational database systems. These queries are definable b...
142
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PODS
2004
ACM
16 years 3 months ago
2004
ACM
We present a novel coding-based technique for answering spatial and spatiotemporal queries on objects moving along a system of curves on the plane such as many road networks. We h...
122
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SWAP
2007
15 years 4 months ago
2007
Abstract. Ontologies are pervading many areas of knowledge representation and management. To date, most research efforts have been spent on the development of sufficiently express...
127
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AMW
2009
15 years 4 months ago
2009
Abstract. A Data Warehouse (DW) is a data repository that organizes and physically integrates data from multiple sources under special kinds of schemas. A DW is composed by a set o...