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SIGIR
2011
ACM
13 years 2 months ago
Pseudo test collections for learning web search ranking functions
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...
Nima Asadi, Donald Metzler, Tamer Elsayed, Jimmy L...
ISMIS
2011
Springer
13 years 2 months ago
Evaluation of Feature Combination Approaches for Text Categorisation
Text categorisation relies heavily on feature selection. Both the possible reduction in dimensionality as well as improvements in classification performance are highly desirable. ...
Robert Neumayer, Kjetil Nørvåg
IAJIT
2011
13 years 3 months ago
Effect of weight assignment in data fusion based information retrieval
: 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...
Batri Krishnan, Murugesh Veerasamy, Gopalan Nagamm...
ECIR
2011
Springer
13 years 3 months ago
Learning Models for Ranking Aggregates
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 ...
Craig Macdonald, Iadh Ounis
ECIR
2011
Springer
13 years 3 months ago
Combination of Feature Selection Methods for Text Categorisation
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 ...
Robert Neumayer, Rudolf Mayer, Kjetil Nørv&...
ECIR
2009
Springer
13 years 9 months ago
What Else Is There? Search Diversity Examined
This paper describes a study on diversity in image search results. One of the first test collections explicitly built to study diversity
Mark Sanderson, Jiayu Tang, Thomas Arni, Paul Clou...
SIGIR
2008
ACM
13 years 11 months ago
Ambiguous queries: test collections need more sense
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....
Mark Sanderson
SIGIR
2008
ACM
13 years 11 months ago
Relevance assessment: are judges exchangeable and does it matter
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" ...
Peter Bailey, Nick Craswell, Ian Soboroff, Paul Th...
DELOS
2007
14 years 28 days ago
INEX 2002 - 2006: Understanding XML Retrieval Evaluation
Evaluating the effectiveness of XML retrieval requires building test collections where the evaluation paradigms are provided according to criteria that take into account structural...
Mounia Lalmas, Anastasios Tombros
SIGIR
2010
ACM
14 years 3 months ago
Metrics for assessing sets of subtopics
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...
Filip Radlinski, Martin Szummer, Nick Craswell