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» Answer Set Programming

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ICDE
2008
IEEE

336views Database» more ICDE 2008»

Dominant Graph: An Efficient Indexing Structure to Answer Top-K Queries

14 years 9 months ago

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Given a record set D and a query score function F, a top-k query returns k records from D, whose values of function F on their attributes are the highest. In this paper, we investi...

Lei Zou, Lei Chen 0002

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VLDB
2007
ACM

124views Database» more VLDB 2007»

Ad-hoc Top-k Query Answering for Data Streams

14 years 2 months ago

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A top-k query retrieves the k highest scoring tuples from a data set with respect to a scoring function deﬁned on the attributes of a tuple. The efﬁcient evaluation of top-k q...

Gautam Das, Dimitrios Gunopulos, Nick Koudas, Niko...

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DATE
2007
IEEE

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Microarchitectural support for program code integrity monitoring in application-specific instruction set processors

14 years 2 months ago