SIGIR
2006
ACM
14 years 6 months ago
2006
ACM
We present a novel framework for answering complex questions that relies on question decomposition. Complex questions are decomposed by a procedure that operates on a Markov chain...
SIGIR
2006
ACM
14 years 6 months ago
2006
ACM
In today’s data-rich networked world, people express many aspects of their lives online. It is common to segregate different aspects in different places: you might write opinion...
SIGIR
2006
ACM
14 years 6 months ago
2006
ACM
This paper presents a study of three statistical query translation models that use different units of translation. We begin with a review of a word-based translation model that us...
SIGIR
2006
ACM
14 years 6 months ago
2006
ACM
SIGIR
2006
ACM
14 years 6 months ago
2006
ACM
Rank aggregation is a pervading operation in IR technology. We hypothesize that the performance of score-based aggregation may be affected by artificial, usually meaningless devia...
SIGIR
2006
ACM
14 years 6 months ago
2006
ACM
Since the website is one of the most important organizational structures of the Web, how to effectively rank websites has been essential to many Web applications, such as Web sear...
SIGIR
2006
ACM
14 years 6 months ago
2006
ACM
A common limitation of many retrieval models, including the recently proposed axiomatic approaches, is that retrieval scores are solely based on exact (i.e., syntactic) matching o...
SIGIR
2006
ACM
14 years 6 months ago
2006
ACM
Information retrieval algorithms leverage various collection statistics to improve performance. Because these statistics are often computed on a relatively small evaluation corpus...
SIGIR
2006
ACM
14 years 6 months ago
2006
ACM
SIGIR
2006
ACM
14 years 6 months ago
2006
ACM
We introduce and validate bootstrap techniques to compute confidence intervals that quantify the effect of test-collection variability on average precision (AP) and mean average...