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VLDB
2002
ACM
161views Database» more  VLDB 2002»
15 years 6 months ago
Distributed Search over the Hidden Web: Hierarchical Database Sampling and Selection
Many valuable text databases on the web have non-crawlable contents that are "hidden" behind search interfaces. Metasearchers are helpful tools for searching over many s...
Panagiotis G. Ipeirotis, Luis Gravano
WWW
2002
ACM
15 years 6 months ago
Improvement of HITS-based algorithms on web documents
In this paper, we present two ways to improve the precision of HITS-based algorithms on Web documents. First, by analyzing the limitations of current HITS-based algorithms, we pro...
Longzhuang Li, Yi Shang, Wei Zhang
WWW
2001
ACM
16 years 7 months ago
Batch rekeying for secure group communications
Many emerging web and Internet applications are based on a group communications model. Thus, securing group communications is an important Internet design issue. The key graph app...
Xiaozhou (Steve) Li, Yang Richard Yang, Mohamed G....
ICS
2010
Tsinghua U.
16 years 4 months ago
Local Algorithms for Finding Interesting Individuals in Large Networks
: We initiate the study of local, sublinear time algorithms for finding vertices with extreme topological properties -- such as high degree or clustering coefficient -- in large so...
Mickey Brautbar, Michael Kearns
IV
2009
IEEE
107views Visualization» more  IV 2009»
16 years 1 months ago
Multiscale Visual Analysis of Lexical Networks
A lexical network is a very useful resource for natural language processing systems. However, building high quality lexical networks is a complex task. “Jeux de mots” is a web...
Guillaume Artignan, Mountaz Hascoët, Mathieu ...