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» Document Management as a Database Problem
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PODS
2010
ACM
173views Database» more  PODS 2010»
15 years 3 months ago
Foundations of schema mapping management
In the last few years, a lot of attention has been paid to the specification and subsequent manipulation of schema mappings, a problem which is of fundamental importance in metad...
Marcelo Arenas, Jorge Pérez, Juan L. Reutte...
MKM
2009
Springer
15 years 4 months ago
A Linear Grammar Approach to Mathematical Formula Recognition from PDF
Many approaches have been proposed over the years for the recognition of mathematical formulae from scanned documents. More recently a need has arisen to recognise formulae from PD...
Josef B. Baker, Alan P. Sexton, Volker Sorge
CIKM
2008
Springer
14 years 11 months ago
Improve the effectiveness of the opinion retrieval and opinion polarity classification
Opinion retrieval is a document retrieving and ranking process. A relevant document must be relevant to the query and contain opinions toward the query. Opinion polarity classific...
Wei Zhang, Lifeng Jia, Clement T. Yu, Weiyi Meng
DAWAK
2006
Springer
15 years 1 months ago
A Versioning Management Model for Ontology-Based Data Warehouses
More and more integration systems use ontologies to solve the problem of semantic heterogeneities between autonomous databases. To automate the integration process, a number of the...
Dung Nguyen Xuan, Ladjel Bellatreche, Guy Pierra
SIGMOD
2010
ACM
250views Database» more  SIGMOD 2010»
14 years 10 months ago
Expressive and flexible access to web-extracted data: a keyword-based structured query language
Automated extraction of structured data from Web sources often leads to large heterogeneous knowledge bases (KB), with data and schema items numbering in the hundreds of thousands...
Jeffrey Pound, Ihab F. Ilyas, Grant E. Weddell