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» Optimizing SQL Queries over Text Databases
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JUCS
2007
122views more  JUCS 2007»
13 years 10 months ago
Efficient Access Methods for Temporal Interval Queries of Video Metadata
: Indexing video content is one of the most important problems in video databases. In this paper we present linear time and space algorithms for handling video metadata that repres...
Spyros Sioutas, Kostas Tsichlas, Bill Vassiliadis,...
ICDE
2011
IEEE
217views Database» more  ICDE 2011»
13 years 1 months ago
Partitioning techniques for fine-grained indexing
— Many data-intensive websites use databases that grow much faster than the rate that users access the data. Such growing datasets lead to ever-increasing space and performance o...
Eugene Wu 0002, Samuel Madden
ICDE
2008
IEEE
336views Database» more  ICDE 2008»
14 years 11 months ago
Dominant Graph: An Efficient Indexing Structure to Answer Top-K Queries
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
CIDR
2003
125views Algorithms» more  CIDR 2003»
13 years 11 months ago
Crossing the Structure Chasm
It has frequently been observed that most of the world’s data lies outside database systems. The reason is that database systems focus on structured data, leaving the unstructur...
Alon Y. Halevy, Oren Etzioni, AnHai Doan, Zachary ...
ICDT
2011
ACM
232views Database» more  ICDT 2011»
13 years 1 months ago
(Approximate) uncertain skylines
Given a set of points with uncertain locations, we consider the problem of computing the probability of each point lying on the skyline, that is, the probability that it is not do...
Peyman Afshani, Pankaj K. Agarwal, Lars Arge, Kasp...