Sciweavers

74 search results - page 10 / 15
» icalp 2005
Sort
View
ICALP
2005
Springer
15 years 11 months ago
The Tree Inclusion Problem: In Optimal Space and Faster
Given two rooted, ordered, and labeled trees P and T the tree inclusion problem is to determine if P can be obtained from T by deleting nodes in T. This problem has recently been r...
Philip Bille, Inge Li Gørtz
ICALP
2005
Springer
15 years 11 months ago
On Dynamic Bit-Probe Complexity
This paper presents several advances in the understanding of dynamic data structures in the bit-probe model: – We improve the lower bound record for dynamic language membership p...
Corina E. Patrascu, Mihai Patrascu
ICALP
2005
Springer
15 years 11 months ago
Password-Based Encryption Analyzed
Abstract. The use of passwords in security protocols is particularly delicate because of the possibility of off-line guessing attacks. We study password-based protocols in the cont...
Martín Abadi, Bogdan Warinschi
ICALP
2005
Springer
15 years 11 months ago
Single-Database Private Information Retrieval with Constant Communication Rate
We present a single-database private information retrieval (PIR) scheme with communication complexity O(k+d), where k ≥ log n is a security parameter that depends on the database...
Craig Gentry, Zulfikar Ramzan
ICALP
2005
Springer
15 years 11 months ago
Linear Time Algorithms for Clustering Problems in Any Dimensions
Abstract. We generalize the k-means algorithm presented by the authors [14] and show that the resulting algorithm can solve a larger class of clustering problems that satisfy certa...
Amit Kumar, Yogish Sabharwal, Sandeep Sen