5856 search results - page 453 / 1172 » Developing Query Patterns |
150
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SIGMOD
1999
ACM
15 years 9 months ago
1999
ACM
Computing multidimensional aggregates in high dimensions is a performance bottleneck for many OLAP applications. Obtaining the exact answer to an aggregation query can be prohibit...
160
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CLEF
2006
Springer
15 years 8 months ago
2006
Springer
This paper summarizes the work done at the State University of New York at Buffalo (UB) in the GeoCLEF 2006 track. The approach presented uses pure IR techniques (indexing of sing...
147
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DEXA
1995
Springer
15 years 8 months ago
1995
Springer
Abstract. The object-oriented database management systems store references to objects (implicit joins, precomputed joins), and use path expressions in query languages. One way of e...
119
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PVLDB
2008
15 years 4 months ago
2008
We study the efficient evaluation of top-k queries over data items, where the score of each item is dynamically computed by applying an item-specific function whose parameter valu...
193
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EDBT
2009
ACM
15 years 2 months ago
2009
ACM
Stream applications gained significant popularity over the last years that lead to the development of specialized stream engines. These systems are designed from scratch with a di...