201 search results - page 5 / 41 » The Minimum Substring Cover Problem |
MFCS
2005
Springer
14 years 27 days ago
2005
Springer
For a string A = a1 . . . an, a reversal ρ(i, j), 1 ≤ i < j ≤ n, transforms the string A into a string A = a1 . . . ai−1ajaj−1 . . . aiaj+1 . . . an, that is, the reve...
BIRTHDAY
2009
Springer
14 years 2 months ago
2009
Springer
Consider a tree T and a forest F. The paper discusses the following new problems: The Forest vertex-cover problem (FVC): cover the vertices of T by a minimum number of copies of tr...
CIKM
2009
Springer
14 years 1 days ago
2009
Springer
Exact substring matching queries on large data collections can be answered using q-gram indices, that store for each occurring q-byte pattern an (ordered) posting list with the po...
ISAAC
2000
Springer
13 years 11 months ago
2000
Springer
It has been a challenging open problem whether there is a polynomial time approximation algorithm for the Vertex Cover problem whose approximation ratio is bounded by a constant l...
TCS
2008
13 years 7 months ago
2008
The Minimum-Energy Broadcast problem is to assign a transmission range to every station of an ad-hoc wireless networks so that (i) a given source station is allowed to perform bro...