Sciweavers

144 search results - page 23 / 29
» Query dependent ranking using K-nearest neighbor
Sort
View
ATAL
2007
Springer
13 years 11 months ago
A reinforcement learning based distributed search algorithm for hierarchical peer-to-peer information retrieval systems
The dominant existing routing strategies employed in peerto-peer(P2P) based information retrieval(IR) systems are similarity-based approaches. In these approaches, agents depend o...
Haizheng Zhang, Victor R. Lesser
VLDB
2004
ACM
123views Database» more  VLDB 2004»
14 years 28 days ago
CORDS: Automatic Generation of Correlation Statistics in DB2
When query optimizers erroneously assume that database columns are statistically independent, they can underestimate the selectivities of conjunctive predicates by orders of magni...
Ihab F. Ilyas, Volker Markl, Peter J. Haas, Paul G...
SIGIR
2005
ACM
14 years 1 months ago
Basic issues on the processing of web queries
Search engines represent a key component of Web economy these days. Despite that, there is not much technical literature available on their design, fine tuning, and internal oper...
Claudine Santos Badue, Ramurti A. Barbosa, Paulo B...
DAGM
2001
Springer
14 years 2 days ago
3D Model Retrieval with Spherical Harmonics and Moments
We consider 3D object retrieval in which a polygonal mesh serves as a query and similar objects are retrieved from a collection of 3D objects. Algorithms proceed first by a normal...
Dietmar Saupe, Dejan V. Vranic
EUROSSC
2008
Springer
13 years 9 months ago
Synthesizing Context for a Sports Domain on a Mobile Device
Abstract. In ubiquitous computing environments there are an increasing number and variety of devices that can generate context data. The challenge is to timely acquire, process, an...
Alisa Devlic, Michal Koziuk, Wybe Horsman