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IACR
2011
134views more  IACR 2011»
12 years 7 months ago
Concise Vector Commitments and their Applications to Zero-Knowledge Elementary Databases
Zero knowledge sets (ZKS) [18] allow a party to commit to a secret set S and then to, non interactively, produce proofs for statements such as x ∈ S or x /∈ S. As recognized in...
Dario Catalano, Dario Fiore
DBPL
2007
Springer
119views Database» more  DBPL 2007»
14 years 1 months ago
Conjunctive Query Containment over Trees
Abstract. The complexity of containment and satisfiability of conjunctive queries over finite, unranked, labeled trees is studied with respect to the axes Child, NextSibling, the...
Henrik Björklund, Wim Martens, Thomas Schwent...
ICDE
2007
IEEE
130views Database» more  ICDE 2007»
14 years 1 months ago
A Survey of Explanations in Recommender Systems
This paper provides a comprehensive review of explanations in recommender systems. We highlight seven possible advantages of an explanation facility, and describe how existing mea...
Nava Tintarev, Judith Masthoff
ISMIR
2004
Springer
113views Music» more  ISMIR 2004»
14 years 27 days ago
Music Recommendation from Song Sets
We motivate the problem of music recommendation based solely on acoustics from groups of related songs or ‘song sets’. We propose four solutions which can be used with any aco...
Beth Logan
VLDB
1999
ACM
136views Database» more  VLDB 1999»
13 years 11 months ago
O-O, What Have They Done to DB2?
In this paper, we describe our recent experiences in adding a number of object-relational extensions to the DB2 Universal Database UDB system as part of a research and developme...
Michael J. Carey, Donald D. Chamberlin, Srinivasa ...