Results 21 to 30 of about 19,282 (167)

A Worldwide Review of Snowy Owl Feeding Ecology: The Importance of Lemmings and Voles in a Changing Climate

open access: yesBirds
We compared Snowy Owl feeding ecology from 15 breeding season studies throughout Nearctic and Palearctic circumpolar regions. We used raw data and information theory to assess the owls’ feeding niche.
Denver W. Holt   +3 more
doaj   +1 more source

On the Properties of Metamodeling in OWL [PDF]

open access: yesJournal of Logic and Computation, 2005
A common practice in conceptual modeling is to separate the intensional from the extensional model. Although very intuitive, this approach is inadequate for many complex domains, where the borderline between the two models is not clear-cut. Therefore, OWL-Full, the most expressive of the Semantic Web ontology languages, allows combining the intensional
openaire   +3 more sources

KNOWLEDGE MODELING FOR A RELATIONAL DATABASE IN ONTOLOGY WEB LANGUAGE (OWL)

open access: yesTạp chí Khoa học Đại học Đà Lạt, 2017
This paper presents a knowledge modeling method by Ontology Web Language (OWL) for a relational database. The proposed method contains the rules for transforming data in a relational database into Ontology and Axioms for supplementing meaning of a ...
Huỳnh Tuấn Anh
doaj   +1 more source

Exotic animal cafés in Japan: A new fashion with potential implications for biodiversity, global health, and animal welfare

open access: yesConservation Science and Practice, 2023
Wildlife trade is a multibillion‐dollar industry and concerns not only the exploitation of animals for their body parts but is also largely fueled by the demand for exotic pets.
Marie Sigaud   +2 more
doaj   +1 more source

Helminth fauna of birds of prey (Strigiformes: Strigidae, Tytonidae) in the Non-Black Earth Region of the Russian Federation

open access: yesРоссийский паразитологический журнал, 2021
The purpose of the research is studying helminths of carnivorous birds of the order of owls (Strigiformes) found in the Non-Black Earth Region of the Russian Federation.Materials and methods.
V. V. Dorokhov, O. E. Davydova
doaj   +1 more source

Ontological Modeling of the Knowledge Base of Intellectual GIS of Digital Agriculture

open access: yesКібернетика та комп'ютерні технології
Introduction. The field of digital agriculture requires effective management of agricultural resources based on intelligent analysis of heterogeneous spatiotemporal data collected from various sensor sources.
Anisa Kasim, Masud Kasim
doaj   +1 more source

Logics for Conceptual Data Modelling: A Review [PDF]

open access: yesTransactions on Graph Data and Knowledge
Information modelling for databases and object-oriented information systems avails of conceptual data modelling languages such as EER and UML Class Diagrams.
Fillottrani, Pablo R., Keet, C. Maria
doaj   +1 more source

UML Profile for OWL [PDF]

open access: yes, 2004
The paper presents Ontology UML Profile (OUP) that is based on OWL and a metamodel – Ontology Definition Metamodel. OUP is defined in the context of the MDA four-layer architecture and current the OMG’s effort for ontology development. The proposed UML profile enables usage of the well-known UML notation in ontology development more extensively.
Dragan Djuric   +3 more
openaire   +1 more source

Breeding Snowy Owls Are Obligate Lemming Predators in Utqiaġvik, Alaska: Results from 30 Years of Study

open access: yesDiversity
For 30 years (1992–2021), we collected pellets and pellet fragments and recorded prey cached in Snowy Owl (Bubo scandiacus) nests during the breeding season in Utqiaġvik, Alaska.
Denver W. Holt   +3 more
doaj   +1 more source

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