Results 11 to 20 of about 2,116,890 (336)

FEEDBACK ON A PUBLICLY DISTRIBUTED IMAGE DATABASE: THE MESSIDOR DATABASE

open access: goldImage Analysis and Stereology, 2014
The Messidor database, which contains hundreds of eye fundus images, has been publicly distributed since 2008. It was created by the Messidor project in order to evaluate automatic lesion segmentation and diabetic retinopathy grading methods.
Etienne Decencière   +11 more
doaj   +3 more sources

A Strategy of Data Synchronization in Distributed System with Read Separating from Write

open access: yesXibei Gongye Daxue Xuebao, 2020
Read separating from write is a strategy that NewSQL adopts to incorporate the advantages of traditional relation database and NoSQL database. Under this architecture, baseline data is split into multiple partitions stored at distributed physical nodes ...

doaj   +1 more source

Research and implementation of HTAP for distributed database

open access: yesXibei Gongye Daxue Xuebao, 2021
Data processing can be roughly divided into two categories, online transaction processing OLTP(on-line transaction processing) and online analytical processing OLAP(on-line analytical processing).

doaj   +1 more source

Distributed Model-Based Diagnosis using Object-Relational Constraint Databases [PDF]

open access: yes, 2006
This work presents a proposal to diagnose distributed systems utilizing model-based diagnosis using distributed databases. In order to improve aspects as versatility, persistence, easy composition and efficiency in the diagnosis process we use an ...
Gómez López, María Teresa   +3 more
core   +2 more sources

MAP-Vis: A Distributed Spatio-Temporal Big Data Visualization Framework Based on a Multi-Dimensional Aggregation Pyramid Model

open access: yesApplied Sciences, 2020
During the exploration and visualization of big spatio-temporal data, massive volume poses a number of challenges to the achievement of interactive visualization, including large memory consumption, high rendering delay, and poor visual effects. Research
Xuefeng Guan   +5 more
doaj   +1 more source

Functionally Specified Distributed Transactions in Co-operative Scenarios [PDF]

open access: yes, 1995
Addresses the problem of specifying co-operative, distributed transactions in a manner that can be subject to verification and testing. Our approach combines the process-algebraic language LOTOS and the object-oriented database modelling language TM to ...
By, Rolf A. de   +2 more
core   +2 more sources

Evaluation of Some Properties of Distributed Databases using Oracle [PDF]

open access: yesAl-Rafidain Journal of Computer Sciences and Mathematics, 2013
In this study, query processing efficiency of the distributed database in the relational database Oracle9i was examined and compared. Our test data is based on a (Customer Type Definition), which is designed to represent customer information of bank.
Alaa Saeed Al-Mukhtar
doaj   +1 more source

Distributed Database Design [PDF]

open access: yes, 2011
The design of a distributed computer system involves making decisions on the placement of data and programs across the sites of a computer network, as well as possibly designing the network itself. In the case of distributed DBMSs, the distribution of applications involves two things: the distribution of the distributed DBMS software and the ...
M. Tamer Özsu, Patrick Valduriez
  +5 more sources

Distributed Database Using Mobile Agent

open access: yesIJID (International Journal on Informatics for Development), 2017
The number of sources of information brings several problems, among them about how to combine the distributed data storage and different. Information on an organization or company is usually stored in separate locations and different formats. When there
Bambang Sugiantoro   +3 more
doaj   +1 more source

From Classical to Fuzzy Databases in a Production Enterprise [PDF]

open access: yesJournal of Universal Computer Science, 2020
This article presents the evolution of databases from classical relational databases to distributed databases and data warehouses to fuzzy databases used in a production enterprise. This paper discusses characteristics of this kind of enterprise.
Izabela Rojek   +3 more
doaj   +3 more sources

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