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130
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ICDE
2011
IEEE
238views Database» more  ICDE 2011»
14 years 5 months ago
Join queries on uncertain data: Semantics and efficient processing
— Uncertain data is quite common nowadays in a variety of modern database applications. At the same time, the join operation is one of the most important but expensive operations...
Tingjian Ge
VLDB
2005
ACM
103views Database» more  VLDB 2005»
15 years 7 months ago
Semantic Query Optimization for XQuery over XML Streams
We study XML stream-specific schema-based optimization. We assume a widely-adopted automata-based execution model for XQuery evaluation. Criteria are established regarding what s...
Hong Su, Elke A. Rundensteiner, Murali Mani
FQAS
2000
Springer
115views Database» more  FQAS 2000»
15 years 5 months ago
Weighted Semantic Parsing: A Robust Approach to Interpretation of Natural Language Queries
This paper focuses on a grammar-based approach to semantic interpretation, which combines the notions of robust and weighted parsing. In restricted domains of application in infor...
Afzal Ballim, Vincenzo Pallotta
KES
2010
Springer
15 years 2 days ago
From Information to Sense-Making: Fetching and Querying Semantic Repositories
Information, its gathering, sharing, and storage, is growing at a very rapid rate. Information turned into knowledge leads to sensemaking. Ontologies, and their representations in ...
Tope Omitola, Ian Millard, Hugh Glaser, Nicholas G...
PSSS
2003
15 years 3 months ago
DLDB: Extending Relational Databases to Support Semantic Web Queries
Abstract: We present DLDB, a knowledge base system that extends a relational database management system with additional capabilities for DAML+OIL inference. We discuss a number of ...
Zhengxiang Pan, Jeff Heflin