Sciweavers

1512 search results - page 175 / 303
» Some Methodological Issues for Intelligent Information Syste...
Sort
View
WWW
2008
ACM
16 years 2 months ago
Social and semantics analysis via non-negative matrix factorization
Social media such as Web forum often have dense interactions between user and content where network models are often appropriate for analysis. Joint non-negative matrix factorizat...
Zhi-Li Wu, Chi-Wa Cheng, Chun-hung Li
URBAN
2008
83views more  URBAN 2008»
15 years 1 months ago
Automatic identification of urban settlement boundaries for multiple representation databases
Intuitive and meaningful interpretation of geographical phenomena requires their representation at multiple levels of detail. This is due to the scale dependent nature of their pr...
Omair Chaudhry, William A. Mackaness
SOUPS
2006
ACM
15 years 8 months ago
Power strips, prophylactics, and privacy, oh my!
While Internet users claim to be concerned about online privacy, their behavior rarely reflects those concerns. In this paper we investigate whether the availability of compariso...
Julia Gideon, Lorrie Faith Cranor, Serge Egelman, ...
WWW
2006
ACM
16 years 2 months ago
Logical structure based semantic relationship extraction from semi-structured documents
Addressed in this paper is the issue of semantic relationship extraction from semi-structured documents. Many research efforts have been made so far on the semantic information ex...
Kuo Zhang, Gang Wu, Juan-Zi Li
VLDB
2007
ACM
89views Database» more  VLDB 2007»
15 years 8 months ago
GhostDB: Hiding Data from Prying Eyes
Imagine that you have been entrusted with private data, such as corporate product information, sensitive government information, or symptom and treatment information about hospita...
Christophe Salperwyck, Nicolas Anciaux, Mehdi Benz...