12943 search results - page 1942 / 2589 » Predicting When Not to Predict |
175
click to vote
WWW
2007
ACM
16 years 8 months ago
2007
ACM
It is widely believed that some queries submitted to search engines are by nature ambiguous (e.g., java, apple). However, few studies have investigated the questions of "how ...
200
click to vote
WWW
2007
ACM
16 years 8 months ago
2007
ACM
In this paper, we define the problem of topic-sentiment analysis on Weblogs and propose a novel probabilistic model to capture the mixture of topics and sentiments simultaneously....
166
Voted
WWW
2005
ACM
16 years 8 months ago
2005
ACM
The purpose of this paper is threefold. First, we study the evolution of the web based on data available from an earlier snapshot of the web and compare the results with those pre...
181
click to vote
WWW
2005
ACM
16 years 8 months ago
2005
ACM
Based on the type of collaborative objects, a collaborative filtering (CF) system falls into one of two categories: item-based CF and user-based CF. Clustering is the basic idea i...
202
click to vote
WWW
2004
ACM
16 years 8 months ago
2004
ACM
A (directed) network of people connected by ratings or trust scores, and a model for propagating those trust scores, is a fundamental building block in many of today's most s...