652 search results - page 69 / 131 » Database Engineering from the Category Theory Viewpoint |
AVI
2004
13 years 10 months ago
2004
These days there are a lot of vector drawings available for people to integrate into documents. These come in a variety of formats, such as Corel, Postscript, CGM, WMF and recentl...
PODS
2005
ACM
14 years 9 months ago
2005
ACM
Suppose we have a large table T of items i, each with a weight wi, e.g., people and their salary. In a general preprocessing step for estimating arbitrary subset sums, we assign e...
KDD
2009
ACM
14 years 3 months ago
2009
ACM
In this paper, we consider a novel scheme referred to as Cartesian contour to concisely represent the collection of frequent itemsets. Different from the existing works, this sche...
KDD
2002
ACM
14 years 9 months ago
2002
ACM
Large 0-1 datasets arise in various applications, such as market basket analysis and information retrieval. We concentrate on the study of topic models, aiming at results which in...
PODS
2006
ACM
14 years 9 months ago
2006
ACM
B-trees are the data structure of choice for maintaining searchable data on disk. However, B-trees perform suboptimally ? when keys are long or of variable length, ? when keys are...