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128
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DGO
2003
128views Education» more  DGO 2003»
15 years 1 months ago
A Study on Automatic Ontology Mapping of Categorical Information
Semantic heterogeneity of information is a major barrier of information and system interoperability. Defining ontology of data and mapping ontologies among heterogeneous informati...
Naijun Zhou
ICDM
2006
IEEE
164views Data Mining» more  ICDM 2006»
15 years 5 months ago
Unsupervised Learning of Tree Alignment Models for Information Extraction
We propose an algorithm for extracting fields from HTML search results. The output of the algorithm is a database table– a data structure that better lends itself to high-level...
Philip Zigoris, Damian Eads, Yi Zhang
WWW
2003
ACM
16 years 10 days ago
Ontology-Based Image Retrieval
The binary form of an image does not tell what the image is about. It is possible to retrieve images from a database using pattern matching techniques, but usually textual descript...
Avril Styrman, Eero Hyvönen, Kim Viljanen, Sa...
182
Voted
POPL
2006
ACM
15 years 12 months ago
Polymorphic regular tree types and patterns
We propose a type system based on regular tree grammars, where algebraic datatypes are interpreted in a structural way. Thus, the same constructors can be reused for different typ...
Jerome Vouillon
ESWS
2008
Springer
15 years 1 months ago
Entity Identifiers for Lineage Preservation
Abstract. The generation of entity identifiers is a key issue in the context of semantic web technologies. Entity identifiers are needed when we perform any kind of operation (e.g....
Julien Gaugaz, Gianluca Demartini