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PRESENCE
2006
102views more  PRESENCE 2006»
14 years 9 months ago
The Usability of Collaborative Virtual Environments and Methods for the Analysis of Interaction
This paper describes two methods for analyzing interactions in collaborative virtual environments (CVEs): one whereby quantitative data are captured, interaction is categorized in...
Ralph Schroeder, Ilona Heldal, Jolanda G. Tromp
SAC
2010
ACM
15 years 4 months ago
Background knowledge in formal concept analysis: constraints via closure operators
The aim of this short paper is to present a general method of using background knowledge to impose constraints in conceptual clustering of object-attribute relational data. The pr...
Radim Belohlávek, Vilém Vychodil
SIGMOD
1999
ACM
114views Database» more  SIGMOD 1999»
15 years 2 months ago
A Layered Architecture for Querying Dynamic Web Content
The design of webbases, database systems for supporting Webbased applications, is currently an active area of research. In this paper, we propose a 3-layer architecture for design...
Hasan Davulcu, Juliana Freire, Michael Kifer, I. V...
ICIP
2003
IEEE
15 years 11 months ago
Statistical learning for effective visual information retrieval
For effective retrieval of visual information, statistical learning plays a pivotal role. Statistical learning in such a context faces at least two major mathematical challenges: ...
Edward Y. Chang, Beitao Li, Gang Wu, Kingshy Goh
WWW
2008
ACM
15 years 10 months ago
Spatial variation in search engine queries
Local aspects of Web search -- associating Web content and queries with geography -- is a topic of growing interest. However, the underlying question of how spatial variation is m...
Lars Backstrom, Jon M. Kleinberg, Ravi Kumar, Jasm...