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LREC
2008
128views Education» more  LREC 2008»
13 years 9 months ago
Unsupervised Lexical Acquisition for Part of Speech Tagging
It is known that POS tagging is not very accurate for unknown words (words which the POS tagger has not seen in the training corpora). Thus, a first step to improve the tagging ac...
Dan Tufis, Elena Irimia, Radu Ion, Alexandru Ceaus...
SIGMOD
2006
ACM
159views Database» more  SIGMOD 2006»
14 years 7 months ago
Flexible and efficient XML search with complex full-text predicates
Recently, there has been extensive research that generated a wealth of new XML full-text query languages, ranging from simple Boolean search to combining sophisticated proximity a...
Sihem Amer-Yahia, Emiran Curtmola, Alin Deutsch
ICDE
2010
IEEE
292views Database» more  ICDE 2010»
14 years 7 months ago
Exploring Power-Performance Tradeoffs in Database Systems
With the total energy consumption of computing systems increasing in a steep rate, much attention has been paid to the design of energy-efficient computing systems and applications...
Zichen Xu, Yi-Cheng Tu, Xiaorui Wang
DPD
2002
168views more  DPD 2002»
13 years 7 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
13 years 5 months 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