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CIKM
2005
Springer
15 years 7 months ago
Towards estimating the number of distinct value combinations for a set of attributes
Accurately and efficiently estimating the number of distinct values for some attribute(s) or sets of attributes in a data set is of critical importance to many database operation...
Xiaohui Yu, Calisto Zuzarte, Kenneth C. Sevcik
189
Voted
VLDB
2008
ACM
147views Database» more  VLDB 2008»
16 years 1 months ago
PicShark: mitigating metadata scarcity through large-scale P2P collaboration
With the commoditization of digital devices, personal information and media sharing is becoming a key application on the pervasive Web. In such a context, data annotation rather th...
Philippe Cudré-Mauroux, Adriana Budura, Manfred H...
SWAP
2007
15 years 2 months ago
Improving Responsiveness of Ontology-Based Query Formulation
Abstract. Recent research showed the benefits of adopting formal ontologies as a means for accessing heterogeneous data sources. The use of an ontology not only provides a uniform...
Ivan Zorzi, Sergio Tessaris, Paolo Dongilli
ICEIS
2003
IEEE
15 years 6 months ago
Knowledge Construction in E-Learning - Designing an E-Learning Environment
: In the traditional classroom, students learned to depend on tutors for their motivation, direction, goal setting, progress monitoring, self-assessment, and achievement. A fundame...
Kecheng Liu, Shirley Williams, Lily Sun
BMCBI
2007
123views more  BMCBI 2007»
15 years 1 months ago
GO for gene documents
Annotating genes and their products with Gene Ontology codes is an important area of research. One approach for doing this is to use the information available about these genes in...
Padmini Srinivasan, Xin Ying Qiu