Sciweavers

173 search results - page 20 / 35
» An evaluation of evolved term-weighting schemes in informati...
Sort
View
ESWS
2009
Springer
14 years 2 months ago
Effects of Using a Research Context Ontology for Query Expansion
This thesis investigates the question whether and how ontologies such as the ones currently evolving in the Semantic Web can serve as knowledge structures for the generation of que...
Carola Carstens
MIR
2004
ACM
171views Multimedia» more  MIR 2004»
14 years 27 days ago
Mean version space: a new active learning method for content-based image retrieval
In content-based image retrieval, relevance feedback has been introduced to narrow the gap between low-level image feature and high-level semantic concept. Furthermore, to speed u...
Jingrui He, Hanghang Tong, Mingjing Li, HongJiang ...
IEEECIT
2009
IEEE
14 years 2 months ago
Collective Intelligence-Based Web Page Search: Combining Folksonomy and Link-Based Ranking Strategy
— With the exponentially growing amount of information available on the Internet, retrieving web pages of interest has become increasingly difficult. While several web page recom...
Tao Zhang, Byungjeong Lee, Sooyong Kang, Hanjoon K...
ASUNAM
2009
IEEE
14 years 2 months ago
Harnessing Wisdom of the Crowds Dynamics for Time-Dependent Reputation and Ranking
—The “wisdom of the crowds” is a concept used to describe the utility of harnessing group behaviour, where user opinion evolves over time and the opinion of the masses collec...
Elizabeth M. Daly
SIGMOD
2009
ACM
175views Database» more  SIGMOD 2009»
14 years 7 months ago
Keyword search on structured and semi-structured data
Empowering users to access databases using simple keywords can relieve the users from the steep learning curve of mastering a structured query language and understanding complex a...
Yi Chen, Wei Wang 0011, Ziyang Liu, Xuemin Lin