Results 21 to 30 of about 52,701 (264)

Partition semantics for relations

open access: yesJournal of Computer and System Sciences, 1985
We use set-theoretic partitions to assign semantics to relation schemes, relations, and dependencies. This approach leads to a natural extension of functional dependencies, the most common database constraints, which is based on the duality between product and sum of partitions. These more general constraints, which we call partition dependencies (PDs),
Stavros S. Cosmadakis   +2 more
openaire   +2 more sources

Studying the Polysemy of “bastan” on the Basis of Image Schemas [PDF]

open access: yes̒Ilm-i Zabān
The present study aims to analyze the verb “bastan” (to close) using cognitive semantics. The meanings of “bastan” have been collected using library method, extracted from dictionaries including Sokhan, Dehkhoda, Sadri Afshar's Persian Dictionary ...
sepideh abdolkarimi
doaj   +1 more source

Joint Entity and Relation Extraction Network with Enhanced Explicit and Implicit Semantic Information

open access: yesApplied Sciences, 2022
The main purpose of the joint entity and relation extraction is to extract entities from unstructured texts and extract the relation between labeled entities at the same time. At present, most existing joint entity and relation extraction networks ignore
Huiyan Wu, Jun Huang
doaj   +1 more source

GRAMMATICAL COHESION IN STUDENTS' WRITING: A CASE AT UNIVERSITAS TEKNOKRAT INDONESIA

open access: yesLeksema: Jurnal Bahasa dan Sastra, 2017
This research aims at investigating the type of cohesive devices in students’ writing as a part of discourse analysis. Thus, it explores sentence correlation and meaning as a whole discourse and figures out inappropriate use of the devices.This research ...
Afrianto Afrianto
doaj   +1 more source

Context-Driven Image Caption With Global Semantic Relations of the Named Entities

open access: yesIEEE Access, 2020
Automatic image captioning has achieved a great progress. However, the existing captioning frameworks basically enumerate the objects in the image. The generated captions lack the real-world knowledge about named entities and their relations, such as the
Yun Jing, Xu Zhiwei, Gao Guanglai
doaj   +1 more source

Relation Extraction Based on Multidimensional Semantic Mapping [PDF]

open access: yesJisuanji kexue, 2022
Relation extraction aims to identify relation types between entities from texts.In the field of relation extraction,most of existing methods use deep learning methods,but they do not have in-depth discussion of word vectors in the input layer.To further ...
CHENG Hua-ling, CHEN Yan-ping, YANG Wei-zhe, QIN Yong-bin, HUANG Rui-zhang
doaj   +1 more source

Certified Semantics for Relational Programming [PDF]

open access: yes, 2020
We present a formal study of semantics for the relational programming language miniKanren. First, we formulate a denotational semantics which corresponds to the minimal Herbrand model for definite logic programs. Second, we present operational semantics which models interleaving, the distinctive feature of miniKanren implementation, and prove its ...
Dmitry Rozplokhas   +2 more
openaire   +3 more sources

Du thesaurus à l’onto-terminologie : relations sémantiques vs relations ontologiques

open access: yesCorela, 2011
This article deals with the semantic relations and the abstract links which become established between the terms and the concepts of the linguistic’s domain.
Laurence Kister   +2 more
doaj   +1 more source

Contextual Semantic-Guided Entity-Centric GCN for Relation Extraction

open access: yesMathematics, 2022
Relation extraction tasks aim to predict potential relations between entities in a target sentence. As entity mentions have ambiguity in sentences, some important contextual information can guide the semantic representation of entity mentions to improve ...
Jun Long   +6 more
doaj   +1 more source

ROMANIC EQUIVALENTS FOR LATIN IDIOMS [PDF]

open access: yesDiversitate si Identitate Culturala in Europa, 2010
In this study we set forth to present several of the most important aspects regarding the contrastive analysis of a well-defined number of Latin idioms in parallel with their Romanic counterparts (in French, Italian, Spanish and Romanian). Our intent was
Dr. Stefan DUMITRU
doaj  

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