SIGIR
2010
ACM
14 years 3 months ago
2010
ACM
Evaluation metrics play a critical role both in the context of comparative evaluation of the performance of retrieval systems and in the context of learning-to-rank (LTR) as objec...
SIGIR
2010
ACM
14 years 3 months ago
2010
ACM
SIGIR
2010
ACM
14 years 3 months ago
2010
ACM
Reading and Commenting online news is becoming a common user behavior in social media. Discussion in the form of comments following news postings can be effectively facilitated if...
SIGIR
2010
ACM
14 years 3 months ago
2010
ACM
SIGIR
2010
ACM
14 years 3 months ago
2010
ACM
In this paper, we present a novel approach to Pseudo-Relevance Feedback (PRF) called Multilingual PRF (MultiPRF). The key idea is to harness multilinguality. Given a query in a la...
SIGIR
2010
ACM
14 years 3 months ago
2010
ACM
SIGIR
2010
ACM
14 years 3 months ago
2010
ACM
This paper presents a novel prototype hierarchy based clustering (PHC) framework for the organization of web collections. It solves simultaneously the problem of categorizing web ...
SIGIR
2010
ACM
14 years 3 months ago
2010
ACM
Search engines return ranked lists of Web pages in response to queries. These pages are starting points for post-query navigation, but may be insufficient for search tasks involvi...
SIGIR
2010
ACM
14 years 3 months ago
2010
ACM
In this paper, we propose a new application of Bayesian language model based on Pitman-Yor process for information retrieval. This model is a generalization of the Dirichlet distr...
SIGIR
2010
ACM
14 years 3 months ago
2010
ACM
We present a document expansion approach that uses Conditional Random Field (CRF) segmentation to automatically extract salient phrases from ad titles. We then supplement the ad d...