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HT
2009
ACM
14 years 4 months ago
Statistical properties of inter-arrival times distribution in social tagging systems
Folksonomies provide a rich source of data to study social patterns taking place on the World Wide Web. Here we study the temporal patterns of users’ tagging activity. We show t...
Andrea Capocci, Andrea Baldassarri, Vito Domenico ...
ICDE
2005
IEEE
123views Database» more  ICDE 2005»
14 years 3 months ago
Load and Network Aware Query Routing for Information Integration
Current federated systems deploy cost-based query optimization mechanisms; i.e., the optimizer selects a global query plan with the lowest cost to execute. Thus, cost functions in...
Wen-Syan Li, Vishal S. Batra, Vijayshankar Raman, ...
ISCC
2003
IEEE
120views Communications» more  ISCC 2003»
14 years 3 months ago
DIP: Distance Information Protocol for IDMaps
The Internet Distance Map Service (IDMaps) [3] provides distance estimates between any pair of hosts connected to the Internet. The IDMaps system comprises two component types: Tr...
Yixin Jin, Beichuan Zhang, Vasileios Pappas, Lixia...
SIGMOD
2009
ACM
214views Database» more  SIGMOD 2009»
14 years 10 months ago
DDE: from dewey to a fully dynamic XML labeling scheme
Labeling schemes lie at the core of query processing for many XML database management systems. Designing labeling schemes for dynamic XML documents is an important problem that ha...
Liang Xu, Tok Wang Ling, Huayu Wu, Zhifeng Bao
WWW
2011
ACM
13 years 4 months ago
Inverted index compression via online document routing
Modern search engines are expected to make documents searchable shortly after they appear on the ever changing Web. To satisfy this requirement, the Web is frequently crawled. Due...
Gal Lavee, Ronny Lempel, Edo Liberty, Oren Somekh