203
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SIGIR
2011
ACM
14 years 10 months ago
2011
ACM
Ranking function performance reached a plateau in 1994. The reason for this is investigated. First the performance of BM25 is measured as the proportion of queries satisfied on th...
226
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SIGIR
2011
ACM
14 years 10 months ago
2011
ACM
A key challenge in recommender system research is how to effectively profile new users, a problem generally known as cold-start recommendation. Recently the idea of progressivel...
206
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SIGIR
2011
ACM
14 years 10 months ago
2011
ACM
This work explores the problem of cross-lingual pairwise similarity, where the task is to extract similar pairs of documents across two different languages. Solutions to this pro...
219
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SIGIR
2011
ACM
14 years 10 months ago
2011
ACM
Many network-based ranking approaches have been proposed to rank objects according to different criteria, including relevance, prestige and diversity. However, existing approache...
236
click to vote
SIGIR
2011
ACM
14 years 10 months ago
2011
ACM
Inverted indexes are the most fundamental and widely used data structures in information retrieval. For each unique word occurring in a document collection, the inverted index sto...