SIGIR
2008
ACM
13 years 4 months 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
13 years 4 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...
SIGIR
2008
ACM
13 years 4 months 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
13 years 4 months 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
13 years 4 months 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
13 years 4 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 ...
SIGIR
2008
ACM
13 years 4 months 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
13 years 4 months 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
13 years 4 months ago
2008
ACM
SIGIR
2008
ACM
13 years 4 months ago
2008
ACM