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ASE
2006
114views more  ASE 2006»
15 years 2 months ago
Explicit modeling of semantics associated with composite states in UML statecharts
: UML statecharts are used for describing dynamic aspects of system behavior. The work presented here extends a general Petri net-based methodology to support formal modeling of UM...
Zhaoxia Hu, Sol M. Shatz
108
Voted
VLDB
1990
ACM
106views Database» more  VLDB 1990»
15 years 6 months ago
The Time Index: An Access Structure for Temporal Data
In this paper, we describe a new indexing technique, the time indez, for improving the performance of certain classes of temporal queries. The time index can be used to retrieve v...
Ramez Elmasri, Gene T. J. Wuu, Yeong-Joon Kim
ICDIM
2008
IEEE
15 years 8 months ago
Unsupervised key-phrases extraction from scientific papers using domain and linguistic knowledge
The domain of Digital Libraries presents specific challenges for unsupervised information extraction to support both the automatic classification of documents and the enhancement ...
Mikalai Krapivin, Maurizio Marchese, Andrei Yadran...
BMCBI
2007
119views more  BMCBI 2007»
15 years 2 months ago
Conceptual-level workflow modeling of scientific experiments using NMR as a case study
Background: Scientific workflows improve the process of scientific experiments by making computations explicit, underscoring data flow, and emphasizing the participation of humans...
Kacy K. Verdi, Heidi J. C. Ellis, Michael R. Gryk
CAISE
2003
Springer
15 years 7 months ago
Ranking Web Documents with Dynamic Evaluation by Expert Groups
Abstract. In spite of the wide use of the Internet, it is difficult to develop desirable web documents evaluation that reflects users’ needs. Many automatic ranking systems have ...
Sea Woo Kim, Chin-Wan Chung