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» Querying Structured Text in an XML Database
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XSYM
2009
Springer
264views Database» more  XSYM 2009»
15 years 10 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»
15 years 5 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»
15 years 10 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
15 years 5 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»
16 years 4 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...