Results 21 to 30 of about 618,913 (264)

NOUS: Construction and Querying of Dynamic Knowledge Graphs [PDF]

open access: yes, 2016
The ability to construct domain specific knowledge graphs (KG) and perform question-answering or hypothesis generation is a transformative capability.
Agarwal, Khushbu   +6 more
core   +2 more sources

Massively Parallel Algorithms for Distance Approximation and Spanners

open access: yes, 2021
Over the past decade, there has been increasing interest in distributed/parallel algorithms for processing large-scale graphs. By now, we have quite fast algorithms -- usually sublogarithmic-time and often $poly(\log\log n)$-time, or even faster -- for a
Biswas, Amartya Shankha   +4 more
core   +1 more source

Structured query construction via knowledge graph embedding [PDF]

open access: yesKnowledge and Information Systems, 2019
In order to facilitate the accesses of general users to knowledge graphs, an increasing effort is being exerted to construct graph-structured queries of given natural language questions. At the core of the construction is to deduce the structure of the target query and determine the vertices/edges which constitute the query. Existing query construction
Ruijie Wang   +4 more
openaire   +3 more sources

Node Embeddings for Graph Merging: Case of Knowledge Graph Construction [PDF]

open access: yesProceedings of the Thirteenth Workshop on Graph-Based Methods for Natural Language Processing (TextGraphs-13), 2019
Combining two graphs requires merging the nodes which are counterparts of each other. In this process errors occur, resulting in incorrect merging or incorrect failure to merge. We find a high prevalence of such errors when using AskNET, an algorithm for building Knowledge Graphs from text corpora.
Szubert, Ida, Steedman, Mark
openaire   +2 more sources

Computing the Greedy Spanner in Linear Space [PDF]

open access: yes, 2013
The greedy spanner is a high-quality spanner: its total weight, edge count and maximal degree are asymptotically optimal and in practice significantly better than for any other spanner with reasonable construction time.
Alewijnse, Sander P. A.   +3 more
core   +2 more sources

Knowledge Graph Enabled Reading Promotion Research [PDF]

open access: yesNongye tushu qingbao xuebao, 2021
[Purpose/Significance] In order to further improve the efficiency of reading promotion at libraries, a new model of accurate reading promotion services based on knowledge graph is actively explored.
WEN Liqing
doaj   +1 more source

Students’ Evolving Meaning About Tangent Line with the Mediation of a Dynamic Geometry Environment and an Instructional Example Space [PDF]

open access: yes, 2011
In this paper I report a lengthy episode from a teaching experiment in which fifteen Year 12 Greek students negotiated their definitions of tangent line to a function graph.
A Bell   +25 more
core   +1 more source

Constructing knowledge graphs and their biomedical applications

open access: yesComputational and Structural Biotechnology Journal, 2020
Knowledge graphs can support many biomedical applications. These graphs represent biomedical concepts and relationships in the form of nodes and edges. In this review, we discuss how these graphs are constructed and applied with a particular focus on how machine learning approaches are changing these processes.
David N. Nicholson, Casey S. Greene
openaire   +3 more sources

Knowledge graph construction for control systems in process industry

open access: yes智能科学与技术学报, 2022
Achieving intelligence in industrial control systems is a prevailing trend in recent years, with numerous new technologies and ideas prompted.Knowledge graph is a fundamental resource for artificial intelligence, and domain-specific knowledge graph ...
Tianhao MOU, Shaoyuan LI
doaj  

Generative Knowledge Graph Construction: A Review

open access: yesProceedings of the 2022 Conference on Empirical Methods in Natural Language Processing, 2022
Accepted to EMNLP 2022 (oral) and a public repository is available in https://github.com/zjunlp ...
Ye, Hongbin   +3 more
openaire   +2 more sources

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