SIGIR
2008
ACM
14 years 10 days ago
2008
ACM
We present a novel passage-based approach to re-ranking documents in an initially retrieved list so as to improve precision at top ranks. While most work on passage-based document...
SIGIR
2008
ACM
14 years 10 days 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...
SIGIR
2008
ACM
14 years 10 days ago
2008
ACM
This paper explores topic aspect (i.e., subtopic or facet) classification for English and Chinese collections. The evaluation model assumes a bilingual user who has found document...
SIGIR
2008
ACM
14 years 10 days ago
2008
ACM
In this paper, we address a relatively new and interesting text categorization problem: classify a political blog as either liberal or conservative, based on its political leaning...
SIGIR
2008
ACM
14 years 10 days ago
2008
ACM
Modeling the beyond-topical aspects of relevance are currently gaining popularity in IR evaluation. For example, the discounted cumulated gain (DCG) measure implicitly models some...
SIGIR
2008
ACM
14 years 10 days 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 ...
SIGIR
2008
ACM
14 years 10 days ago
2008
ACM
We present a method for projecting retrieval scores across two corpora with a shared, parallel corpus. Categories and Subject Descriptors: H.3.3 Information Search and Retrieval: ...
SIGIR
2008
ACM
14 years 10 days ago
2008
ACM
Bag-of-visual-words (BoW) has been popular for visual classification in recent years. In this paper, we propose a novel BoW expansion method to alleviate the effect of visual word...
SIGIR
2008
ACM
14 years 10 days ago
2008
ACM
SIGIR
2008
ACM
14 years 10 days ago
2008
ACM