Results 281 to 290 of about 70,390 (338)

Effects of cross-border railway on agricultural value chain linkages: Evidence from the China-Europe Railway Express. [PDF]

Heliyon
Su Y, Zhu Y, Qin G.
europepmc   +1 more source

Customer segmentation in the digital marketing using a Q-learning based differential evolution algorithm integrated with K-means clustering. [PDF]

PLoS One
Wang G.
europepmc   +1 more source

Change of Ownership and Quality of Home Health Agency Care.

JAMA Health Forum
Zhang Z, Li K, Wang S, Fashaw-Walters S, Hou Y.   +4 more
europepmc   +1 more source

Automatic Recommender System of Development Platforms for Smart Contract-Based Health Care Insurance Fraud Detection Solutions: Taxonomy and Performance Evaluation.

J Med Internet Res
Kaafarani R, Ismail L, Zahwe O.
europepmc   +1 more source

Statistical properties of transactional databases [PDF]

Proceedings of the 2004 ACM symposium on Applied computing, 2004
Most of the complexity of common data mining tasks is due to the unknown amount of information contained in the data being mined. The more patterns and corelations are contained in such data, the more resources are needed to extract them. This is confirmed by the fact that in general there is not a single best algorithm for a given data mining task on ...
P. PALMERINI, ORLANDO, Salvatore, R. PEREGO   +2 more
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Transaction optimization in rule databases

Proceedings of IEEE International Workshop on Research Issues in Data Engineering: Active Databases Systems, 2002
The authors propose an approach to transection optimization in rule databases. It is based on a new technique to express updates in rule languages based on a non-immediate update execution. This technique is used to statically characterize some properties of the rules and transactions.
E. BERTINO, CATANIA, BARBARA, GUERRINI, GIOVANNA, D. MONTESI   +3 more
openaire   +3 more sources

Testing database transactions with AGENDA

Proceedings of the 27th international conference on Software engineering - ICSE '05, 2005
AGENDA is a tool set for testing relational database applications. An earlier prototype was targeted to applications consisting of a single query and included components for populating a database with data suitable for testing the application, generating inputs to the query, and checking relatively simple aspects of the results of executing the query ...
Yuetang Deng, Phyllis Frankl, David Chays   +2 more
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Proving Consistency Of Database Transactions

Fifth International Conference on Very Large Data Bases, 1979., 2005
The purpose of this paper is to present an approach for verifying that explicitely stated integrity constraints are not violated by certain transactions. We utilize a relational model where-in constraints are given in a language based on the first order predicate calculus.
M. Melkanoff, G. Gardarin
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Transactions on the Logical Database

2014
The database as seen by an application programmer is called the logical database. In most cases the logical database is a relational database, so that application programs operate on tuples in relations through an SQL interface. A transaction is a sequence of read and update actions on the logical database, performed on the database upon a sequence of ...
Eljas Soisalon-Soininen, Seppo Sippu, Seppo Sippu   +2 more
openaire   +2 more sources