121 search results - page 15 / 25 » First-Order Queries over One Unary Function |
184
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ICDE
2008
IEEE
16 years 1 months ago
2008
IEEE
Aggregation is among the core functionalities of OLAP systems. Frequently, such queries are issued in decision support systems to identify interesting groups of data. When more tha...
177
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ICDE
2009
IEEE
16 years 1 months ago
2009
IEEE
We consider the problem of efficiently computing weighted proximity best-joins over multiple lists, with applications in information retrieval and extraction. We are given a multi-...
ICALP
2009
Springer
15 years 12 months ago
2009
Springer
We present a range of new results for testing properties of Boolean functions that are defined in terms of the Fourier spectrum. Broadly speaking, our results show that the propert...
ACL
2007
15 years 1 months ago
2007
In this paper, we will describe ODIE, the On-Demand Information Extraction system. Given a user’s query, the system will produce tables of the salient information about the topi...
150
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SIGMOD
2005
ACM
15 years 12 months ago
2005
ACM
One of the most common operations in analytic query processing is the application of an aggregate function to the result of a relational join. We describe an algorithm for computi...