ECIR
2011
Springer
13 years 3 months ago
2011
Springer
We compare two methods for retrieval from multimodal collections. The first is a score-based fusion of results, retrieved visually and textually. The second is a two-stage method ...
ECIR
2011
Springer
13 years 3 months ago
2011
Springer
Query-by-example video retrieval is receiving an increasing attention in recent years. One of the state-of-art approaches is the Bag-of-visual Words (BoW) based technique, where im...
ECIR
2011
Springer
13 years 3 months ago
2011
Springer
In large web search engines the performance of Information Retrieval systems is a key issue. Block-based compression methods are often used to improve the search performance, but c...
ECIR
2011
Springer
13 years 3 months ago
2011
Springer
Feature selection plays a vital role in text categorisation. A range of different methods have been developed, each having unique properties and selecting different features. We ...
ECIR
2011
Springer
13 years 3 months ago
2011
Springer
Abstract. Content-based image retrieval (CBIR) with global features is notoriously noisy, especially for image queries with low percentages of relevant images in a collection. More...
ECIR
2011
Springer
13 years 3 months ago
2011
Springer
Adaptation techniques based on importance weighting were shown effective for RankSVM and RankNet, viz., each training instance is assigned a target weight denoting its importance ...
ECIR
2011
Springer
13 years 3 months ago
2011
Springer
We explore statistical properties of links within Wikipedia. We demonstrate that a simple algorithm can predict many of the links that would normally be added to a new article, wit...
ECIR
2011
Springer
13 years 3 months ago
2011
Springer
In the context of biomedical information retrieval (IR), this paper explores the relationship between the document’s global context and the query’s local context in an attempt ...
ECIR
2011
Springer
13 years 3 months ago
2011
Springer
Recently, mean-variance analysis has been proposed as a novel paradigm to model document ranking in Information Retrieval. The main merit of this approach is that it diversifies t...
ECIR
2011
Springer
13 years 3 months ago
2011
Springer
The cognitively motivated principle of polyrepresentation still lacks a theoretical foundation in IR. In this work, we discuss two competing polyrepresentation frameworks that are ...