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» Querying Structured Text in an XML Database
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XSYM
2009
Springer
264views Database» more  XSYM 2009»
14 years 2 months ago
From Entity Relationship to XML Schema: A Graph-Theoretic Approach
Abstract. We propose a mapping from the Enhanced Entity Relationship conceptual model to the W3C XML Schema Language with the following properties: information and integrity constr...
Massimo Franceschet, Donatella Gubiani, Angelo Mon...
ER
2008
Springer
102views Database» more  ER 2008»
13 years 9 months ago
Retrieving Documents with Geographic References Using a Spatial Index Structure Based on Ontologies
Abstract. Both Geographic Information Systems and Information Retrieval have been very active research fields in the last decades. Lately, a new research field called Geographic In...
Miguel Rodríguez Luaces, Ángeles S. ...
DEXAW
2007
IEEE
101views Database» more  DEXAW 2007»
14 years 2 months ago
An Index Structure To Retrieve Documents With Geographic Information
Both Geographic Information Systems and Information Retrieval have been very active research fields in the last decades. Lately, a new research field called Geographic Informati...
Miguel Rodríguez Luaces, José R. Par...
ECIR
2006
Springer
13 years 9 months ago
Efficient Phrase Querying with Common Phrase Index
Abstract. In this paper, we propose a common phrase index as an efficient index structure to support phrase queries in a very large text database. Our structure is an extension of ...
Matthew Chang, Chung Keung Poon
SIGMOD
2006
ACM
202views Database» more  SIGMOD 2006»
14 years 8 months ago
Avatar semantic search: a database approach to information retrieval
We present Avatar Semantic Search, a prototype search engine that exploits annotations in the context of classical keyword search. The process of annotations is accomplished offli...
Eser Kandogan, Rajasekar Krishnamurthy, Sriram Rag...