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ICALP
2009
Springer
16 years 6 months ago
Revisiting the Direct Sum Theorem and Space Lower Bounds in Random Order Streams
Estimating frequency moments and Lp distances are well studied problems in the adversarial data stream model and tight space bounds are known for these two problems. There has been...
Sudipto Guha, Zhiyi Huang
SIGMOD
2003
ACM
150views Database» more  SIGMOD 2003»
16 years 6 months ago
Capturing both Types and Constraints in Data Integration
We propose a framework for integrating data from multiple relational sources into an XML document that both conforms to a given DTD and satisfies predefined XML constraints. The f...
Michael Benedikt, Chee Yong Chan, Wenfei Fan, Juli...
SIGMOD
2003
ACM
118views Database» more  SIGMOD 2003»
16 years 6 months ago
Improving the Efficiency of Database-System Teaching
The education industry has a very poor record of productivity gains. In this brief article, I outline some of the ways the teaching of a college course in database systems could b...
Jeffrey D. Ullman
ICSE
2008
IEEE-ACM
16 years 6 months ago
An integrated aspect-oriented model-driven software product line tool suite
Software product line engineering is mostly about the systematic management of commonality and variability between product line members. The effectiveness of this approach thus ve...
Christa Schwanninger, Iris Groher, Markus Völ...
IUI
2009
ACM
16 years 3 months ago
User-oriented document summarization through vision-based eye-tracking
We propose a new document summarization algorithm which is personalized. The key idea is to rely on the attention (reading) time of individual users spent on single words in a doc...
Songhua Xu, Hao Jiang, Francis C. M. Lau