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ICDE
2007
IEEE
92views Database» more  ICDE 2007»
14 years 10 months ago
STAR: A System for Tuple and Attribute Ranking of Query Answers
In recent years there has been a great deal of interest in developing effective techniques for ad-hoc search and retrieval in structured repositories such as relational databases ...
Nishant Kapoor, Gautam Das, Vagelis Hristidis, S. ...
CIKM
2008
Springer
13 years 10 months ago
Estimating the number of answers with guarantees for structured queries in p2p databases
Structured P2P overlays supporting standard database functionalities are a popular choice for building large-scale distributed data management systems. In such systems, estimating...
Marcel Karnstedt, Kai-Uwe Sattler, Michael Ha&szli...
CIKM
2010
Springer
13 years 6 months ago
EntityEngine: answering entity-relationship queries using shallow semantics
We introduce EntityEngine, a system for answering entityrelationship queries over text. Such queries combine SQLlike structures with IR-style keyword constraints and therefore, ca...
Xiaonan Li, Chengkai Li, Cong Yu
SPIRE
2009
Springer
14 years 3 months ago
A Last-Resort Semantic Cache for Web Queries
We propose a method to evaluate queries using a last-resort semantic cache in a distributed Web search engine. The cache stores a group of frequent queries and for each of these qu...
Flavio Ferrarotti, Mauricio Marín, Marcelo ...
TREC
2001
13 years 10 months ago
Patterns of Potential Answer Expressions as Clues to the Right Answers
The core of our question-answering mechanism is searching for predefined patterns of textual expressions that may be interpreted as answers to certain types of questions. The pres...
Martin M. Soubbotin