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» Information retrieval from relational databases using semant...
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PODS
2006
ACM
196views Database» more  PODS 2006»
15 years 10 months ago
The containment problem for REAL conjunctive queries with inequalities
Query containment is a fundamental algorithmic problem in database query processing and optimization. Under set semantics, the query-containment problem for conjunctive queries ha...
T. S. Jayram, Phokion G. Kolaitis, Erik Vee
SIGMOD
2009
ACM
134views Database» more  SIGMOD 2009»
15 years 10 months ago
Keyword query cleaning using hidden Markov models
In this paper, we consider the problem of keyword query cleaning for structured databases from a probabilistic approach. Keyword query cleaning consists of rewriting the user quer...
Ken Q. Pu
TSD
2009
Springer
15 years 2 months ago
Combining Text Vector Representations for Information Retrieval
Abstract. This paper suggests a novel representation for documents that is intended to improve precision. This representation is generated by combining two central techniques: Rand...
Maya Carrillo, Chris Eliasmith, Aurelio Lóp...
CIVR
2004
Springer
141views Image Analysis» more  CIVR 2004»
15 years 3 months ago
Natural Scene Retrieval Based on a Semantic Modeling Step
In this paper, we present an approach for the retrieval of natural scenes based on a semantic modeling step. Semantic modeling stands for the classification of local image regions...
Julia Vogel, Bernt Schiele
DASFAA
2005
IEEE
91views Database» more  DASFAA 2005»
15 years 3 months ago
Semantic Characterization of Real World Events
Reducing the latency of information delivery in an event driven world has always been a challenge. It is often necessary to completely capture the attributes of events and relation...
Aparna Nagargadde, Sridhar Varadarajan, Krithi Ram...