SIGIR
2010
ACM
14 years 16 days 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 16 days ago
2010
ACM
SIGIR
2010
ACM
14 years 16 days 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 16 days ago
2010
ACM
SIGIR
2010
ACM
14 years 16 days 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 16 days ago
2010
ACM
SIGIR
2010
ACM
14 years 16 days 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 16 days 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 16 days 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 16 days 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...