80 search results - page 2 / 16 » Pattern avoidance and the Bruhat order |
EJC
2008
13 years 6 months ago
2008
Abstract. A pattern class is a set of permutations closed under pattern involvement or, equivalently, defined by certain subsequence avoidance conditions. Any pattern class X which...
KDD
2006
ACM
14 years 6 months ago
2006
ACM
Mining frequent patterns is a general and important issue in data mining. Complex and unstructured (or semi-structured) datasets have appeared in major data mining applications, i...
ICPR
2008
IEEE
14 years 21 days ago
2008
IEEE
This paper shows how to construct pattern vectors from the Ihara zeta function for the purposes of characterizing graph structures. To avoid the risk of sampling the meaningless i...
SIGMOD
2000
ACM
13 years 10 months ago
2000
ACM
Mining frequent patterns in transaction databases, time-series databases, and many other kinds of databases has been studied popularly in data mining research. Most of the previous...
ICDE
2004
IEEE
14 years 7 months ago
2004
IEEE
In constrained data mining, users can specify constraints that can be used to prune the search space to avoid mining uninteresting knowledge. Since it is difficult to determine th...