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» Semantic Optimization of Preference Queries
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IJCNLP
2005
Springer
14 years 1 months ago
Parsing the Penn Chinese Treebank with Semantic Knowledge
Abstract. We build a class-based selection preference sub-model to incorporate external semantic knowledge from two Chinese electronic semantic dictionaries. This sub-model is comb...
Deyi Xiong, Shuanglong Li, Qun Liu, Shouxun Lin, Y...
ISMIS
2009
Springer
14 years 2 months ago
Semantic-Based Top-k Retrieval for Competence Management
Abstract. We present a knowledge-based system, for skills and talent management, exploiting semantic technologies combined with top-k retrieval techniques. The system provides adva...
Umberto Straccia, Eufemia Tinelli, Simona Colucci,...
SBBD
2003
101views Database» more  SBBD 2003»
13 years 9 months ago
Cherry Picking: A Semantic Query Processing Strategy for the Evaluation of Expensive Predicates
A common requirement of many scientific applications is the ability to process queries involving expensive predicates corresponding to user programs. Optimizing such queries is ha...
Fabio Porto, Eduardo Sany Laber, Patrick Valduriez
HICSS
2011
IEEE
157views Biometrics» more  HICSS 2011»
12 years 11 months ago
Reusing Relational Queries for Intuitive Decision Optimization
— Decision optimization is used in many applications such as those for finding the best course of action in emergencies. However, optimization solutions require considerable mat...
Alexander Brodsky, Nathan E. Egge, Xiaoyang Sean W...
ICDE
2011
IEEE
238views Database» more  ICDE 2011»
12 years 11 months ago
Join queries on uncertain data: Semantics and efficient processing
— Uncertain data is quite common nowadays in a variety of modern database applications. At the same time, the join operation is one of the most important but expensive operations...
Tingjian Ge