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» Requirements of Phylogenetic Databases
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PODS
2005
ACM
104views Database» more  PODS 2005»
16 years 6 months ago
Views and queries: determinacy and rewriting
We investigate the question of whether a query can be answered using a set V of views. We first define the problem in information-theoretic terms: we say that V determines if V pr...
Luc Segoufin, Victor Vianu
PODS
2005
ACM
96views Database» more  PODS 2005»
16 years 6 months ago
Privacy-enhancing k-anonymization of customer data
In order to protect individuals' privacy, the technique of kanonymization has been proposed to de-associate sensitive attributes from the corresponding identifiers. In this p...
Sheng Zhong, Zhiqiang Yang, Rebecca N. Wright
171
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PODS
2006
ACM
96views Database» more  PODS 2006»
16 years 6 months ago
Efficient gossip-based aggregate computation
Recently, there has been a growing interest in gossip-based protocols that employ randomized communication to ensure robust information dissemination. In this paper, we present a ...
Srinivas R. Kashyap, Supratim Deb, K. V. M. Naidu,...
EDBT
2002
ACM
179views Database» more  EDBT 2002»
16 years 6 months ago
Efficient Complex Query Support for Multiversion XML Documents
Managing multiple versions of XML documents represents a critical requirement for many applications. Also, there has been much recent interest in supporting complex queries on XML ...
Shu-Yao Chien, Vassilis J. Tsotras, Carlo Zaniolo,...
EDBT
2004
ACM
133views Database» more  EDBT 2004»
16 years 6 months ago
HOPI: An Efficient Connection Index for Complex XML Document Collections
In this paper we present HOPI, a new connection index for XML documents based on the concept of the 2?hop cover of a directed graph introduced by Cohen et al. In contrast to most o...
Ralf Schenkel, Anja Theobald, Gerhard Weikum