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AIED
2011
Springer
14 years 10 months ago
Causal Modeling of User Data from a Math Learning Environment with Game-Like Elements
We have created a math learning environment with game-like elements such as narrative, visual feedback, personalization, collection, etc. We made a study with four different versio...
Dovan Rai, Joseph E. Beck
ECIR
2011
Springer
14 years 10 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&...
207
Voted
HCI
2011
14 years 10 months ago
The Crowdsourcing Design Space
Crowdsourcing is a new kind of organizational structure, one that is conducive to large amounts of short parallel work: thousands of individuals may work for several minutes on tas...
Yasuaki Sakamoto, Yuko Tanaka, Lixiu Yu, Jeffrey V...
CAEPIA
2011
Springer
14 years 6 months ago
A Cluster Based Pseudo Feedback Technique Which Exploits Good and Bad Clusters
Abstract. In the last years, cluster based retrieval has been demonstrated as an effective tool for both interactive retrieval and pseudo relevance feedback techniques. In this pa...
Javier Parapar, Alvaro Barreiro
ACL
2012
13 years 9 months ago
Extracting and modeling durations for habits and events from Twitter
We seek to automatically estimate typical durations for events and habits described in Twitter tweets. A corpus of more than 14 million tweets containing temporal duration informa...
Jennifer Williams, Graham Katz