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WWW
2007
ACM
16 years 3 months ago
Measuring credibility of users in an e-learning environment
Learning Villages (LV) is an E-learning platform for people's online discussions and frequently citing postings of one another. In this paper, we propose a novel method to ra...
Wei Wei, Jimmy Ho-Man Lee, Irwin King
ICIAP
2009
ACM
16 years 3 months ago
A New Generative Feature Set Based on Entropy Distance for Discriminative Classification
Abstract. Score functions induced by generative models extract fixeddimensions feature vectors from different-length data observations by subsuming the process of data generation, ...
Alessandro Perina, Marco Cristani, Umberto Castell...
SIGCSE
2009
ACM
150views Education» more  SIGCSE 2009»
16 years 3 months ago
Dereferee: exploring pointer mismanagement in student code
Dynamic memory management and the use of pointers are critical topics in teaching the C++ language. They are also some of the most difficult for students to grasp properly. The re...
Anthony Allevato, Manuel A. Pérez-Qui&ntild...
CHI
2008
ACM
16 years 2 months ago
Aligning temporal data by sentinel events: discovering patterns in electronic health records
Electronic Health Records (EHRs) and other temporal databases contain hidden patterns that reveal important cause-and-effect phenomena. Finding these patterns is a challenge when ...
Taowei David Wang, Catherine Plaisant, Alexander J...
SIGMOD
2001
ACM
145views Database» more  SIGMOD 2001»
16 years 2 months ago
Automatic Segmentation of Text into Structured Records
In this paper we present a method for automatically segmenting unformatted text records into structured elements. Several useful data sources today are human-generated as continuo...
Vinayak R. Borkar, Kaustubh Deshmukh, Sunita Saraw...