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COMGEO
2008
ACM
15 years 2 months ago
Lower bounds for expected-case planar point location
Given a planar polygonal subdivision S, the point location problem is to preprocess S into a data structure so that the cell of the subdivision that contains a given query point c...
Theocharis Malamatos
144
Voted
DPD
2002
168views more  DPD 2002»
15 years 2 months ago
Evolutionary Algorithms for Allocating Data in Distributed Database Systems
A major cost in executing queries in a distributed database system is the data transfer cost incurred in transferring relations (fragments) accessed by a query from different sites...
Ishfaq Ahmad, Kamalakar Karlapalem, Yu-Kwong Kwok,...
CIKM
2010
Springer
15 years 1 months ago
Demographic information flows
In advertising and content relevancy prediction it is important to understand whether, over time, information that reaches one demographic group spreads to others. In this paper w...
Ingmar Weber, Alejandro Jaimes
PVLDB
2010
195views more  PVLDB 2010»
15 years 26 days ago
Keyword++: A Framework to Improve Keyword Search Over Entity Databases
Keyword search over entity databases (e.g., product, movie databases) is an important problem. Current techniques for keyword search on databases may often return incomplete and i...
Dong Xin, Yeye He, Venkatesh Ganti
132
Voted
CIKM
2010
Springer
15 years 15 days ago
Index structures for efficiently searching natural language text
Many existing indexes on text work at the document granularity and are not effective in answering the class of queries where the desired answer is only a term or a phrase. In this...
Pirooz Chubak, Davood Rafiei