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» An Efficient Index Lattice for XML Query Evaluation
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WEBI
2010
Springer
13 years 5 months ago
A Scalable Indexing Mechanism for Ontology-Based Information Integration
In recent years, there has been an explosion of publicly available RDF and OWL web pages. Some of these pages are static text files, while others are dynamically generated from la...
Yingjie Li, Abir Qasem, Jeff Heflin
SIGMOD
2003
ACM
129views Database» more  SIGMOD 2003»
14 years 7 months ago
Efficient Processing of Joins on Set-valued Attributes
Object-oriented and object-relational DBMS support setvalued attributes, which are a natural and concise way to model complex information. However, there has been limited research...
Nikos Mamoulis
PVLDB
2008
134views more  PVLDB 2008»
13 years 7 months ago
Reasoning and identifying relevant matches for XML keyword search
Keyword search is a user-friendly mechanism for retrieving XML data in web and scientific applications. An intuitively compelling but vaguely defined goal is to identify matches t...
Ziyang Liu, Yi Chen
ICDE
2010
IEEE
428views Database» more  ICDE 2010»
14 years 7 months ago
Supporting Top-K Keyword Search in XML Databases
Keyword search is considered to be an effective information discovery method for both structured and semistructured data. In XML keyword search, query semantics is based on the con...
Liang Jeff Chen, Yannis Papakonstantinou
ICDE
2010
IEEE
568views Database» more  ICDE 2010»
14 years 7 months ago
Reverse Top-k Queries
Rank-aware query processing has become essential for many applications that return to the user only the top-k objects based on the individual user's preferences. Top-k queries...
Akrivi Vlachou, Christos Doulkeridis, Kjetil N&osl...