SIGIR
2010
ACM
14 years 3 months ago
2010
ACM
SIGIR
2010
ACM
14 years 3 months ago
2010
ACM
This paper presents a new way of thinking for IR metric optimization. It is argued that the optimal ranking problem should be factorized into two distinct yet interrelated stages:...
SIGIR
2010
ACM
14 years 3 months ago
2010
ACM
Portable, reusable test collections are a vital part of research and development in information retrieval. Reusability is difficult to assess, however. The standard approach— si...
SIGIR
2010
ACM
14 years 3 months ago
2010
ACM
Search trails comprising queries and Web page views are created as searchers engage in information-seeking activity online. During known-item search (where the objective may be to...
SIGIR
2010
ACM
14 years 3 months ago
2010
ACM
Novelty detection is a difficult task, particularly at sentence level. Most of the approaches proposed in the past consist of re-ordering all sentences following their novelty sco...
SIGIR
2010
ACM
14 years 3 months ago
2010
ACM
SIGIR
2010
ACM
14 years 3 months ago
2010
ACM
Defining a measure of similarity between queries is an interesting and difficult problem. A reliable query-similarity measure can be used in a variety of applications such as que...
SIGIR
2010
ACM
14 years 3 months ago
2010
ACM
To evaluate the diversity of search results, test collections have been developed that identify multiple intents for each query. Intents are the different meanings or facets that...
SIGIR
2010
ACM
14 years 3 months ago
2010
ACM
It is generally believed that propagated anchor text is very important for effective Web search as offered by the commercial search engines. “Google Bombs” are a notable illus...
SIGIR
2010
ACM
14 years 3 months ago
2010
ACM
In this paper we analyze queries and sessions intended to satisfy children’s information needs using a large-scale query log. The aim of this analysis is twofold: i) To identify...