SIGIR
2011
ACM
12 years 7 months ago
2011
ACM
Test collections are the primary drivers of progress in information retrieval. They provide a yardstick for assessing the effectiveness of ranking functions in an automatic, rapi...
ISMIS
2011
Springer
12 years 7 months ago
2011
Springer
Text categorisation relies heavily on feature selection. Both the possible reduction in dimensionality as well as improvements in classification performance are highly desirable. ...
IAJIT
2011
12 years 8 months ago
2011
: Variation in performances of an Information Retrieval system, which merges results from a number of retrieval schemes possessing equal and unequal weights, is studied in this pap...
ECIR
2011
Springer
12 years 8 months ago
2011
Springer
Aggregate ranking tasks are those where documents are not the final ranking outcome, but instead an intermediary component. For instance, in expert search, a ranking of candidate ...
ECIR
2011
Springer
12 years 8 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
2009
Springer
13 years 2 months ago
2009
Springer
This paper describes a study on diversity in image search results. One of the first test collections explicitly built to study diversity
SIGIR
2008
ACM
13 years 4 months ago
2008
ACM
Although there are many papers examining ambiguity in Information Retrieval, this paper shows that there is a whole class of ambiguous word that past research has barely explored....
SIGIR
2008
ACM
13 years 4 months ago
2008
ACM
We investigate to what extent people making relevance judgements for a reusable IR test collection are exchangeable. We consider three classes of judge: "gold standard" ...
DELOS
2007
13 years 6 months ago
2007
Evaluating the effectiveness of XML retrieval requires building test collections where the evaluation paradigms are provided according to criteria that take into account structural...
SIGIR
2010
ACM
13 years 8 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...