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SIGIR
2010
ACM
14 years 1 months ago
2010
ACM
Novelty detection is a difficult task, particularly at sentence level. Most of the approaches proposed in the past consist of re-ordering all sentences following their novelty sco...
SIGIR
2010
ACM
14 years 1 months ago
2010
ACM
This paper presents a new way of thinking for IR metric optimization. It is argued that the optimal ranking problem should be factorized into two distinct yet interrelated stages:...
SIGIR
2010
ACM
14 years 1 months ago
2010
ACM
Freshness has been increasingly realized by commercial search engines as an important criteria for measuring the quality of search results. However, most information retrieval met...
SIGIR
2010
ACM
14 years 1 months ago
2010
ACM
This paper presents a novel prototype hierarchy based clustering (PHC) framework for the organization of web collections. It solves simultaneously the problem of categorizing web ...
SIGIR
2010
ACM
14 years 1 months ago
2010
ACM
Reading and Commenting online news is becoming a common user behavior in social media. Discussion in the form of comments following news postings can be effectively facilitated if...