27336 search results - page 5211 / 5468 » Changing the subject: on the subject of subjectivity |
181
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SAC
2006
ACM
15 years 6 months ago
2006
ACM
The use of recommender systems in e-commerce to guide customer choices presents a privacy protection problem that is twofold. We seek to protect the privacy interests of customers...
198
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SIGIR
2008
ACM
15 years 6 months ago
2008
ACM
We address a specific enterprise document search scenario, where the information need is expressed in an elaborate manner. In our scenario, information needs are expressed using a...
221
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SIGIR
2008
ACM
15 years 6 months ago
2008
ACM
The approach of using passage-level evidence for document retrieval has shown mixed results when it is applied to a variety of test beds with different characteristics. One main r...
143
Voted
SIGIR
2008
ACM
15 years 6 months ago
2008
ACM
In this paper, we study the problem of Web forum crawling. Web forum has now become an important data source of many Web applications; while forum crawling is still a challenging ...
178
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SIGIR
2008
ACM
15 years 6 months ago
2008
ACM
Negative relevance feedback is a special case of relevance feedback where we do not have any positive example; this often happens when the topic is difficult and the search result...