419 search results - page 53 / 84 » First Order Paths in Ordered Trees |
KDD
2004
ACM
14 years 10 months ago
2004
ACM
One fundamental challenge for mining recurring subgraphs from semi-structured data sets is the overwhelming abundance of such patterns. In large graph databases, the total number ...
SSDBM
2003
IEEE
14 years 3 months ago
2003
IEEE
Relational index structures, as for instance the Relational Interval Tree, the Relational R-Tree, or the Linear Quadtree, support efficient processing of queries on top of existin...
ICNP
1996
IEEE
14 years 2 months ago
1996
IEEE
We analyze the maximum throughput that the known classes of reliable multicast protocols can attain. A new taxonomy of reliable multicast protocols is introduced based on the prem...
ICC
2007
IEEE
14 years 1 months ago
2007
IEEE
Abstract-- Providing real-time voice multicasting over multihop ad hoc wireless networks is a challenging task. The unique characteristics of voice traffic (viz. small packet size,...
POPL
1991
ACM
14 years 1 months ago
1991
ACM
We investigate the interactions of subtyping and recursive types, in a simply typed λ-calculus. The two fundamental questions here are whether two (recursive) types are in the su...