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CHI
2004
ACM
16 years 2 months ago
If not now, when?: the effects of interruption at different moments within task execution
User attention is a scarce resource, and users are susceptible to interruption overload. Systems do not reason about the effects of interrupting a user during a task sequence. In ...
Piotr D. Adamczyk, Brian P. Bailey
RECOMB
2006
Springer
16 years 2 months ago
CONTRAlign: Discriminative Training for Protein Sequence Alignment
In this paper, we present CONTRAlign, an extensible and fully automatic framework for parameter learning and protein pairwise sequence alignment using pair conditional random field...
Chuong B. Do, Samuel S. Gross, Serafim Batzoglou
VLDB
2007
ACM
130views Database» more  VLDB 2007»
16 years 2 months ago
A Simple and Efficient Estimation Method for Stream Expression Cardinalities
Estimating the cardinality (i.e. number of distinct elements) of an arbitrary set expression defined over multiple distributed streams is one of the most fundamental queries of in...
Aiyou Chen, Jin Cao, Tian Bu
SIGMOD
2005
ACM
155views Database» more  SIGMOD 2005»
16 years 2 months ago
On Boosting Holism in XML Twig Pattern Matching using Structural Indexing Techniques
Searching for all occurrences of a twig pattern in an XML document is an important operation in XML query processing. Recently a holistic method TwigStack [2] has been proposed. T...
Ting Chen, Jiaheng Lu, Tok Wang Ling
SIGMOD
2003
ACM
118views Database» more  SIGMOD 2003»
16 years 2 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