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SSD
2001
Springer
122views Database» more  SSD 2001»
13 years 9 months ago
Calendars, Time Granularities, and Automata
The notion of time granularity comes into play in a variety of problems involving time representation and management in database applications, including temporal database design, t...
Ugo Dal Lago, Angelo Montanari
TFS
2011
264views Education» more  TFS 2011»
12 years 11 months ago
Information Granularity in Fuzzy Binary GrC Model
—Zadeh’s seminal work in theory of fuzzy-information3 granulation in human reasoning is inspired by the ways in which4 humans granulate information and reason with it. This has...
Yuhua Qian, Jiye Liang, W.-z. Z. Wu, Chuangyin Dan...
TIME
2002
IEEE
13 years 9 months ago
A Logical Approach to Represent and Reason about Calendars
In this paper, we propose a logical approach to represent and reason about different time granularities. We identify a time granularity as a discrete infinite sequence of time po...
Carlo Combi, Massimo Franceschet, Adriano Peron
SIAMCOMP
2012
11 years 7 months ago
An Optimal Dynamic Data Structure for Stabbing-Semigroup Queries
Let S be a set of n intervals in R, and let (S, +) be any commutative semigroup. We assign a weight ω(s) ∈ S to each interval in S. For a point x ∈ R, let S(x) ⊆ S be the se...
Pankaj K. Agarwal, Lars Arge, Haim Kaplan, Eyal Mo...