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» A System for Semantic Query Optimization
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WWW
2007
ACM
14 years 9 months ago
Exploit sequencing views in semantic cache to accelerate xpath query evaluation
In XML databases, materializing queries and their results into views in a semantic cache can improve the performance of query evaluation by reducing computational complexity and I...
Jianhua Feng, Na Ta, Yong Zhang, Guoliang Li
ESWS
2009
Springer
14 years 3 months ago
Ranking Approximate Answers to Semantic Web Queries
We consider the problem of a user querying semistructured data such as RDF without knowing its structure. In these circumstances, it is helpful if the querying system can perform a...
Carlos A. Hurtado, Alexandra Poulovassilis, Peter ...
WWW
2009
ACM
14 years 9 months ago
Buzz-based recommender system
In this paper, we describe a buzz-based recommender system based on a large source of queries in an eCommerce application. The system detects bursts in query trends. These bursts ...
Nish Parikh, Neel Sundaresan
EUROCAST
2005
Springer
102views Hardware» more  EUROCAST 2005»
14 years 2 months ago
Similarity Queries in Data Bases Using Metric Distances - from Modeling Semantics to Its Maintenance
Similarity queries in traditional databases work directly on attribute values. But, often similar attribute values do not indicate similar meanings. Semantic background information...
Josef Küng, Roland Wagner
CIKM
2010
Springer
13 years 7 months ago
EntityEngine: answering entity-relationship queries using shallow semantics
We introduce EntityEngine, a system for answering entityrelationship queries over text. Such queries combine SQLlike structures with IR-style keyword constraints and therefore, ca...
Xiaonan Li, Chengkai Li, Cong Yu