Results 21 to 30 of about 2,637,088 (356)

A Novel Chinese Entity Relationship Extraction Method Based on the Bidirectional Maximum Entropy Markov Model

open access: yesComplexity, 2021
To identify relationships among entities in natural language texts, extraction of entity relationships technically provides a fundamental support for knowledge graph, intelligent information retrieval, and semantic analysis, promotes the construction of ...
Chengyao Lv   +4 more
doaj   +1 more source

Review on Named Entity Recognition [PDF]

open access: yesJisuanji kexue yu tansuo, 2022
In the field of natural language processing, named entity recognition is the first key step of information extraction. Named entity recognition task aims to recognize named entities from a large number of unstructured texts and classify them into ...
LI Dongmei, LUO Sisi, ZHANG Xiaoping, XU Fu
doaj   +1 more source

Modeling Crop Genetic Resources Phenotyping Information Systems

open access: yesFrontiers in Plant Science, 2019
Documentation of phenotype information is a priority need in biodiversity, crop modeling, breeding, ecology, and evolution research, for association studies, gene discovery, retrospective statistical analysis and data mining, QTL re-mapping, choosing ...
Christoph U. Germeier, Stefan Unger
doaj   +1 more source

Research on Joint Extraction Method of Entity and Relation Triples Based on Hierarchical Cascade Labeling

open access: yesIEEE Access, 2023
As an important research field of artificial intelligence, knowledge graph develops rapidly, and triplet extraction is the key to the construction of a knowledge graph. The traditional pipeline extraction method will bring the error of entity recognition
Yibo Liu, Feng Wen, Teng Zong, Taowei Li
doaj   +1 more source

Fine-grained Question Answering over Knowledge Graph Based on BiLSTM-CRF [PDF]

open access: yesJisuanji gongcheng, 2020
Question answering over knowledge graph is complex in the filtering of candidate master entities of questions,and most existing models ignore the fine-grained correlation between questions and relationships.To address the problem,this paper proposes a ...
ZHANG Chuting, CHANG Liang, WANG Wenkai, CHEN Hongliang, BIN Chenzhong
doaj   +1 more source

Ontology-Instances Joint Learning Method Fusing Entity Type Information [PDF]

open access: yesJisuanji gongcheng, 2022
The joint learning of the ontology graph and the instance graph that represent the knowledge graph can effectively improve the efficiency of embedded learning, but it cannot represent the ambiguity of entities in different scenarios.In this regard, this ...
YOU Leqi, PEI Zhongmin, LUO Zhangkai
doaj   +1 more source

Creation of intelligent information decision support systems [PDF]

open access: yesE3S Web of Conferences, 2023
The use of intelligent information decision support systems implies considering the problem area's specifics. The object of study is characterized by the following set of features: - quality and efficiency of decision-making; - vagueness of goals and ...
Sultanov Murodjon   +3 more
doaj   +1 more source

A Basis for Interactive Schema Merging [PDF]

open access: yes, 1992
We present a technique for merging the schemas of heterogeneous databases that generalizes to several different data models, and show how it can be used in an interactive program that merges Entity-Relationship diagrams.
Buneman, P.   +3 more
core   +2 more sources

Answer Extraction Method for Reading Comprehension Based on Frame Semantics and GraphStructure [PDF]

open access: yesJisuanji kexue, 2023
Machine reading comprehension is one of the most challenging tasks in the field of natural language processing.With the continuous development of deep learning technology and the release of large-scale MRC datasets,the performance of MRC models keep ...
YANG Zhizhuo, XU Lingling, Zhang Hu, LI Ru
doaj   +1 more source

Modifying Entity Relationship Models for Collaborative Fiction Planning and its Impact on Potential Authors [PDF]

open access: yes, 2014
We propose a modified Entity Relationship (E-R) model, traditionally used for software engineering, to structure, store and share plot data. The flexibility of E-R modelling has been demonstrated by its decades of usage in a wide variety of situations ...
  +3 more
core   +1 more source

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