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ADC
2004
Springer
132views Database» more  ADC 2004»
15 years 11 months ago
Questioning Query Expansion: An Examination of Behaviour and Parameters
In information retrieval, queries can fail to find documents due to mismatch in terminology. Query expansion is a well-known technique addressing this problem, where additional q...
Bodo Billerbeck, Justin Zobel
CCS
2001
ACM
15 years 10 months ago
Tangler: a censorship-resistant publishing system based on document entanglements
We describe the design of a censorship-resistant system that employs a unique document storage mechanism. Newly published documents are dependent on the blocks of previously publi...
Marc Waldman, David Mazières
COMPGEOM
1994
ACM
15 years 9 months ago
Spheres, Molecules, and Hidden Surface Removal
We devise techniques to manipulate a collection of loosely interpenetrating spheres in threedimensional space. Our study is motivated by the representation and manipulation of mol...
Dan Halperin, Mark H. Overmars
SBBD
2004
82views Database» more  SBBD 2004»
15 years 7 months ago
Optimizing Ranking Calculation in Web Search Engines: a Case Study
Web search engines compete to offer the fastest responses with highest relevance. However, as Web collections grow, it becomes more difficult to achieve this purpose. As most user...
Miguel Costa, Mário J. Silva
WEBNET
2001
15 years 7 months ago
Personal Information Organization using Web Annotations
: As more information is made available online, users collect information in personal information spaces like bookmarks and emails. While most users feel that organizing these coll...
Laurent Denoue, Laurence Vignollet