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SIGIR
2009
ACM
13 years 10 months ago
Personalized music emotion recognition
In recent years, there has been a dramatic proliferation of research on information retrieval based on highly subjective concepts such as emotion, preference and aesthetic. Such r...
Yi-Hsuan Yang, Yu-Ching Lin, Homer H. Chen
SIGIR
2009
ACM
13 years 10 months ago
Effective query expansion for federated search
While query expansion techniques have been shown to improve retrieval performance in a centralized setting, they have not been well studied in a federated setting. In this paper, ...
Milad Shokouhi, Leif Azzopardi, Paul Thomas
SIGIR
2009
ACM
13 years 10 months ago
On rank correlation and the distance between rankings
Rank correlation statistics are useful for determining whether a there is a correspondence between two measurements, particularly when the measures themselves are of less interest...
Ben Carterette
SIGIR
2009
ACM
13 years 10 months ago
Extracting structured information from user queries with semi-supervised conditional random fields
When search is against structured documents, it is beneficial to extract information from user queries in a format that is consistent with the backend data structure. As one step...
Xiao Li, Ye-Yi Wang, Alex Acero
SIGIR
2009
ACM
13 years 10 months ago
A relevance-based topic model for news event tracking
Event tracking is the task of discovering temporal patterns of popular events from text streams. Existing approaches for event tracking have two limitations: scalability and inabi...
Viet Ha-Thuc, Yelena Mejova, Christopher Harris, P...
SIGIR
2009
ACM
13 years 10 months ago
Web searching for daily living
The new concept proposed in this paper is a query free web search that automatically retrieves a web page including information related to the daily activity that we are currently...
Takuya Maekawa, Yutaka Yanagisawa, Yasushi Sakurai...
SIGIR
2009
ACM
13 years 10 months ago
When more is less: the paradox of choice in search engine use
In numerous everyday domains, it has been demonstrated that increasing the number of options beyond a handful can lead to paralysis and poor choice and decrease satisfaction with ...
Antti Oulasvirta, Janne P. Hukkinen, Barry Schwart...
SIGIR
2009
ACM
13 years 10 months ago
Counting ancestors to estimate authority
The AncestorRank algorithm calculates an authority score by using just one characteristic of the web graph—the number of ancestors per node. For scalability, we estimate the num...
Jian Wang, Brian D. Davison
SIGIR
2009
ACM
13 years 10 months ago
Portfolio theory of information retrieval
This paper studies document ranking under uncertainty. It is tackled in a general situation where the relevance predictions of individual documents have uncertainty, and are depen...
Jun Wang, Jianhan Zhu
SIGIR
2009
ACM
13 years 10 months ago
Blog distillation using random walks
Mostafa Keikha, Mark James Carman, Fabio Crestani