Sciweavers

980 search results - page 9 / 196
» On Negative Bases
Sort
View
ICEB
2004
131views Business» more  ICEB 2004»
13 years 9 months ago
Negative Reputation Rate as the Signal of Risk in Online Consumer-to-consumer Transactions
Previous online reputation research has been focused on the effects of positive and negative reputations on trust formation, trading price, and probability of sale. We propose tha...
Dahui Li, Zhangxi Lin
GECCO
2007
Springer
124views Optimization» more  GECCO 2007»
13 years 11 months ago
Fitness-proportional negative slope coefficient as a hardness measure for genetic algorithms
The Negative Slope Coefficient (nsc) is an empirical measure of problem hardness based on the analysis of offspring-fitness vs. parent-fitness scatterplots. The nsc has been teste...
Riccardo Poli, Leonardo Vanneschi
COLING
2008
13 years 9 months ago
PNR2: Ranking Sentences with Positive and Negative Reinforcement for Query-Oriented Update Summarization
Query-oriented update summarization is an emerging summarization task very recently. It brings new challenges to the sentence ranking algorithms that require not only to locate th...
Wenjie Li, Furu Wei, Qin Lu, Yanxiang He
WWW
2009
ACM
12 years 3 months ago
The slashdot zoo: mining a social network with negative edges
We analyse the corpus of user relationships of the Slashdot technology news site. The data was collected from the Slashdot Zoo feature where users of the website can tag other user...
J. Kunegis, A. Lomatzsch, and C. Bauckhage
DSN
2009
IEEE
13 years 11 months ago
Sharing end-user negative symptoms for improving overlay network dependability
The dependability of overlay services rely on the overlay network’s capabilities to effectively diagnose and recover faults (e.g., link failures, overlay node outages). However,...
Yongning Tang, Ehab Al-Shaer