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» Foundations of Semantic Web Databases
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GIS
2010
ACM
15 years 2 months ago
Automatic construction and multi-level visualization of semantic trajectories
With the prevalence of GPS-embedded mobile devices, enormous amounts of mobility data are being collected in the form of trajectory - a stream of (x,y,t) points. Such trajectories...
Zhixian Yan, Lazar Spremic, Dipanjan Chakraborty, ...
ICASSP
2008
IEEE
15 years 10 months ago
Topic mining on web-shared videos
Internet videos have grown exponentially with the help from video sharing websites. Automatic topic mining is therefore increasingly important for organizing and navigating such l...
Lu Liu, Yong Rui, Lifeng Sun, Bo Yang, Jianwei Zha...
154
Voted
SIGMOD
2010
ACM
232views Database» more  SIGMOD 2010»
15 years 3 months ago
Optimizing content freshness of relations extracted from the web using keyword search
An increasing number of applications operate on data obtained from the Web. These applications typically maintain local copies of the web data to avoid network latency in data acc...
Mohan Yang, Haixun Wang, Lipyeow Lim, Min Wang
163
Voted
WEBDB
2004
Springer
202views Database» more  WEBDB 2004»
15 years 9 months ago
Mining Approximate Functional Dependencies and Concept Similarities to Answer Imprecise Queries
Current approaches for answering queries with imprecise constraints require users to provide distance metrics and importance measures for attributes of interest. In this paper we ...
Ullas Nambiar, Subbarao Kambhampati
112
Voted
ESWS
2005
Springer
15 years 9 months ago
Pedro Ontology Services: A Framework for Rapid Ontology Markup
Semantic Web technologies offer the possibility of increased accuracy and completeness in search and retrieval operations. In recent years, curators of data resources have begun f...
Kevin L. Garwood, Phillip W. Lord, Helen Parkinson...