Sciweavers

2185 search results - page 389 / 437
» Context for semantic metadata
Sort
View
AIMSA
2010
Springer
13 years 11 months ago
Expressive Approximations in DL-Lite Ontologies
Abstract. Ontology based data access (OBDA) is concerned with providing access to typically very large data sources through a mediating conceptual layer that allows one to improve ...
Elena Botoeva, Diego Calvanese, Mariano Rodriguez-...
ACL
2007
13 years 11 months ago
Opinion Mining using Econometrics: A Case Study on Reputation Systems
Deriving the polarity and strength of opinions is an important research topic, attracting significant attention over the last few years. In this work, to measure the strength and...
Anindya Ghose, Panagiotis G. Ipeirotis, Arun Sunda...
AMW
2010
13 years 11 months ago
Logic Programs for Repairing Inconsistent Dimensions in Data Warehouses
A Data Warehouse (DW) is a data repository that integrates data from multiple sources and organizes the data according to a set of data structures called dimensions. Each dimension...
Loreto Bravo, Mónica Caniupán Marile...
LREC
2010
147views Education» more  LREC 2010»
13 years 11 months ago
Named Entity Recognition in Questions: Towards a Golden Collection
Named Entity Recognition (NER) plays a relevant role in several Natural Language Processing tasks. Question-Answering (QA) is an example of such, since answers are frequently name...
Ana Cristina Mendes, Luísa Coheur, Paula Va...
LREC
2010
136views Education» more  LREC 2010»
13 years 11 months ago
Base Concepts in the African Languages Compared to Upper Ontologies and the WordNet Top Ontology
Ontologies, and in particular upper ontologies, are foundational to the establishment of the Semantic Web. Upper ontologies are used as equivalence formalisms between domain speci...
Winston Anderson, Laurette Pretorius, Albert E. Ko...