Sciweavers

SIGIR
2010
ACM
13 years 9 months ago
Exploiting click-through data for entity retrieval
We present an approach for answering Entity Retrieval queries using click-through information in query log data from a commercial Web search engine. We compare results using click...
Bodo Billerbeck, Gianluca Demartini, Claudiu S. Fi...
SIGIR
2010
ACM
13 years 9 months ago
Hashtag retrieval in a microblogging environment
Microblog services let users broadcast brief textual messages to people who "follow" their activity. Often these posts contain terms called hashtags, markers of a post&#...
Miles Efron
SIGIR
2010
ACM
13 years 9 months ago
Has portfolio theory got any principles?
Recently, Portfolio Theory (PT) has been proposed for Information Retrieval. However, under non-trivial conditions PT violates the original Probability Ranking Principle (PRP). In...
Guido Zuccon, Leif Azzopardi, Keith van Rijsbergen
SIGIR
2010
ACM
13 years 9 months ago
Can search systems detect users' task difficulty?: some behavioral signals
In this paper, we report findings on how user behaviors vary in tasks with different difficulty levels as well as of different types. Two behavioral signals: document dwell time a...
Jingjing Liu, Chang Liu, Jacek Gwizdka, Nicholas J...
SIGIR
2010
ACM
13 years 9 months ago
SED: supervised experimental design and its application to text classification
In recent years, active learning methods based on experimental design achieve state-of-the-art performance in text classification applications. Although these methods can exploit ...
Yi Zhen, Dit-Yan Yeung
SIGIR
2010
ACM
13 years 9 months ago
Properties of optimally weighted data fusion in CBMIR
Peter Wilkins, Alan F. Smeaton, Paul Ferguson
SIGIR
2010
ACM
13 years 9 months ago
A picture is worth a thousand search results: finding child-oriented multimedia results with collAge
We present a simple and effective approach to complement search results for children's web queries with child-oriented multimedia results, such as coloring pages and music sh...
Karl Gyllstrom, Marie-Francine Moens
SIGIR
2010
ACM
13 years 9 months ago
Score distribution models: assumptions, intuition, and robustness to score manipulation
Inferring the score distribution of relevant and non-relevant documents is an essential task for many IR applications (e.g. information filtering, recall-oriented IR, meta-search,...
Evangelos Kanoulas, Keshi Dai, Virgiliu Pavlu, Jav...
SIGIR
2010
ACM
13 years 9 months ago
Analysis of structural relationships for hierarchical cluster labeling
Cluster label quality is crucial for browsing topic hierarchies obtained via document clustering. Intuitively, the hierarchical structure should influence the labeling accuracy. H...
Markus Muhr, Roman Kern, Michael Granitzer