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» Data Aggregation Sets in Adaptive Data Model
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IMC
2009
ACM
16 years 1 months ago
Modeling user activities in a large IPTV system
Internet Protocol Television (IPTV) has emerged as a new delivery method for TV. In contrast with native broadcast in traditional cable and satellite TV system, video streams in I...
Tongqing Qiu, Zihui Ge, Seungjoon Lee, Jia Wang, J...
EWCBR
2006
Springer
15 years 10 months ago
Rough Set Feature Selection Algorithms for Textual Case-Based Classification
Feature selection algorithms can reduce the high dimensionality of textual cases and increase case-based task performance. However, conventional algorithms (e.g., information gain)...
Kalyan Moy Gupta, David W. Aha, Philip Moore
WS
2008
ACM
15 years 6 months ago
ActiveRDF: Embedding Semantic Web data into object-oriented languages
Semantic Web applications share a large portion of development effort with database-driven Web applications. Existing approaches for development of these database-driven applicati...
Eyal Oren, Benjamin Heitmann, Stefan Decker
EDM
2010
111views Data Mining» more  EDM 2010»
15 years 8 months ago
On the Faithfulness of Simulated Student Performance Data
Abstract. The validation of models for skills assessment is often conducted by using simulated students because their skills mastery can be predefined. Student performance data is ...
Michel C. Desmarais, Ildikó Pelczer
ICDE
2004
IEEE
85views Database» more  ICDE 2004»
16 years 8 months ago
Selectivity Estimation for String Predicates: Overcoming the Underestimation Problem
Queries with (equality or LIKE) selection predicates over string attributes are widely used in relational databases. However, state-of-the-art techniques for estimating selectivit...
Surajit Chaudhuri, Venkatesh Ganti, Luis Gravano