Sciweavers

8795 search results - page 338 / 1759
» Measuring Generality of Documents
Sort
View
SIGIR
1999
ACM
15 years 11 months ago
Information Retrieval as Statistical Translation
We propose a new probabilistic approach to information retrieval based upon the ideas and methods of statistical machine translation. The central ingredient in this approach is a ...
Adam L. Berger, John D. Lafferty
SACMAT
2004
ACM
16 years 4 days ago
A role-based approach to access control for XML databases
In order to provide a general access control methodology for parts of XML documents, we propose combining rolebased access control as found in the Role Graph Model, with a methodo...
Jingzhu Wang, Sylvia L. Osborn
KDD
2009
ACM
159views Data Mining» more  KDD 2009»
16 years 7 months ago
Adapting the right measures for K-means clustering
Clustering validation is a long standing challenge in the clustering literature. While many validation measures have been developed for evaluating the performance of clustering al...
Junjie Wu, Hui Xiong, Jian Chen
BMCBI
2008
97views more  BMCBI 2008»
15 years 6 months ago
Comparison study on k-word statistical measures for protein: From sequence to 'sequence space'
Background: Many proposed statistical measures can efficiently compare protein sequence to further infer protein structure, function and evolutionary information. They share the s...
Qi Dai, Tian-Ming Wang
SIGCOMM
2009
ACM
16 years 1 months ago
Router primitives for programmable active measurement
Active probe-based measurements are the foundation for understanding important network path properties such as SLA compliance and available bandwidth. Well-known challenges in act...
Joel Sommers, Paul Barford, Mark Crovella