Sciweavers

12943 search results - page 2035 / 2589
» Predicting When Not to Predict
Sort
View
SPIRE
2007
Springer
16 years 1 months ago
Extending Weighting Models with a Term Quality Measure
Abstract. Weighting models use lexical statistics, such as term frequencies, to derive term weights, which are used to estimate the relevance of a document to a query. Apart from t...
Christina Lioma, Iadh Ounis
VLDB
2007
ACM
96views Database» more  VLDB 2007»
16 years 1 months ago
Privacy Skyline: Privacy with Multidimensional Adversarial Knowledge
Privacy is an important issue in data publishing. Many organizations distribute non-aggregate personal data for research, and they must take steps to ensure that an adversary cann...
Bee-Chung Chen, Raghu Ramakrishnan, Kristen LeFevr...
WEA
2007
Springer
74views Algorithms» more  WEA 2007»
16 years 1 months ago
Landmark-Based Routing in Dynamic Graphs
Many speed-up techniques for route planning in static graphs exist, only few of them are proven to work in a dynamic scenario. Most of them use preprocessed information, which has ...
Daniel Delling, Dorothea Wagner
WEBDB
2007
Springer
159views Database» more  WEBDB 2007»
16 years 1 months ago
A clustering-based sampling approach for refreshing search engine's database
Due to resource constraints, search engines usually have difficulties keeping the local database completely synchronized with the Web. To detect as many changes as possible, the ...
Qingzhao Tan, Ziming Zhuang, Prasenjit Mitra, C. L...
WINE
2007
Springer
124views Economy» more  WINE 2007»
16 years 1 months ago
Stochastic Models for Budget Optimization in Search-Based Advertising
Internet search companies sell advertisement slots based on users’ search queries via an auction. Advertisers have to solve a complex optimization problem of how to place bids o...
S. Muthukrishnan, Martin Pál, Zoya Svitkina
« Prev « First page 2035 / 2589 Last » Next »