Results 21 to 30 of about 841,080 (310)

Ontology-Based Knowledge Acquisition Method for Natural Language Texts

open access: yesЦифровая трансформация, 2023
The main task of knowledge acquisition (also named knowledge extraction) from natural language texts is to extract knowledge from natural language texts into fragment of knowledge base of intelligent system.
Longwei Qian
doaj   +1 more source

Virtual patients as the basis for problem-based learning of cardiologists

open access: yesБюллетень сибирской медицины, 2021
Implementation of virtual patients allows avoiding risks for patient safety, using the standardized clinical situations repeatedly, and providing remote access to information. In order to create virtual patients, the project team comprised of specialists
S. I. Karas   +14 more
doaj   +1 more source

Optimal decisions of countries with carbon tax and carbon tariff

open access: yesJournal of Industrial Engineering and Management, 2015
Purpose: Reducing carbon emission has been the core problem of controlling global warming and climate deterioration recently. This paper focuses on the optimal carbon taxation policy levied by countries and the impact on firms’ optimal production ...
Yumei Hou   +4 more
doaj   +1 more source

GEOEssential – mainstreaming workflows from data sources to environment policy indicators with essential variables

open access: yesInternational Journal of Digital Earth, 2020
When defining indicators on the environment, the use of existing initiatives should be a priority rather than redefining indicators each time. From an Information, Communication and Technology perspective, data interoperability and standardization are ...
Anthony Lehmann   +12 more
doaj   +1 more source

Boosting Knowledge Base Automatically via Few-Shot Relation Classification

open access: yesFrontiers in Neurorobotics, 2020
Relation classification (RC) aims at extracting structural information, i.e., triplets of two entities with a relation, from free texts, which is pivotal for automatic knowledge base construction. In this paper, we investigate a fully automatic method to
Ning Pang   +3 more
doaj   +1 more source

A simple and inexpensive design of radioactive source for accurate level and height gauging in petrochemical industries

open access: yesMeasurement: Sensors
Radiation sources are used for measurement and control of industrial processes, determining the height of materials inside the vessel, analyzing the composition and structure of materials, and detecting defects in industrial processes due to the ...
S.Z. Islami rad, R. Gholipour Peyvandi
doaj   +1 more source

The determination of nitrogen-to-carbon ratio in urea synthesis using gamma radiation technique and comparison with oscillation technique

open access: yesChemical Engineering Journal Advances
Accurate ratio control of the components in the urea synthesis section plays a crucial role in achieving stable and efficient operation of the urea process.
S.Z. Islami rad, R. Gholipour Peyvandi
doaj   +1 more source

Reliability Testing of Wind Farm Devices Based on the Mean Time between Failures (MTBF)

open access: yesEnergies, 2023
Among the most valuable types of renewable energy available today is wind energy. The reliability of WF systems must be regularly evaluated at every stage of their “life,” from design to operation, if a wind farm energy system is to be effective and ...
Stanisław Duer   +6 more
doaj   +1 more source

Pattern Based Knowledge Base Enrichment [PDF]

open access: yes, 2013
Although an increasing number of RDF knowledge bases are published, many of those consist primarily of instance data and lack sophisticated schemata. Having such schemata allows more powerful querying, consistency checking and debugging as well as improved inference.
Buhmann L., Lehmann J.
openaire   +1 more source

METHOD OF AUTOMATED DEVELOPMENT AND EVALUATION OF ONTOLOGIES’ QUALITIES OF KNOWLEDGE BASES [PDF]

open access: yesApplied Computer Science, 2014
The process of automated development of base ontology is considered. It has been offered to consider the concepts and elements of ontologies for increasing the effectiveness of knowledge bases, the core of which is the ontology. Methods of specifying the
Vasyl LYTVYN   +2 more
doaj  

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