Sciweavers

2299 search results - page 106 / 460
» Logical Data Expiration
Sort
View
FOIKS
2010
Springer
15 years 7 months ago
On the Existence of Armstrong Data Trees for XML Functional Dependencies
Armstrong databases are a popular tool in example-based database design. An Armstrong database for a given constraint set from a fixed constraint class Z satisfies precisely those ...
Sven Hartmann, Henning Köhler, Thu Trinh
124
Voted
TIME
2006
IEEE
15 years 9 months ago
k-Anonymity in Databases with Timestamped Data
In this paper we extend the notion of k-anonymity in the context of databases with timestamped information in order to naturally define k-anonymous views of temporal data. We als...
Sergio Mascetti, Claudio Bettini, Xiaoyang Sean Wa...
102
Voted
VLDB
1990
ACM
69views Database» more  VLDB 1990»
15 years 7 months ago
Concept Description Language for Statistical Data Modeling
In this paper we describe a new language for statistical data modelling, which offers a general framework for the representation of elementary and summarydata.Thereare threemain c...
Tiziana Catarci, Giovanna D'Angiolini, Maurizio Le...
LICS
2002
IEEE
15 years 8 months ago
Monadic Queries over Tree-Structured Data
Monadic query languages over trees currently receive considerable interest in the database community, as the problem of selecting nodes from a tree is the most basic and widesprea...
Georg Gottlob, Christoph Koch
139
Voted
EUSFLAT
2007
180views Fuzzy Logic» more  EUSFLAT 2007»
15 years 5 months ago
On Cluster Analysis Based on Fuzzy Relations Between Spatial Data
Methods like DBSCAN are widely used in the analysis of spatial data. These methods are based on the neighborhood relations which use distance between points. However, these neighb...
Efendi N. Nasibov, Gözde Ulutagay