Results 11 to 20 of about 131,872 (295)

Performance introspection of graph databases [PDF]

open access: yesProceedings of the 6th International Systems and Storage Conference on - SYSTOR '13, 2013
The explosion of graph data in social and biological networks, recommendation systems, provenance databases, etc. makes graph storage and processing of paramount importance. We present a performance introspection framework for graph databases, PIG, which provides both a toolset and methodology for understanding graph database performance.
Macko, Peter   +2 more
openaire   +5 more sources

Neural Graph Databases [PDF]

open access: yesCoRR, 2022
Graph databases (GDBs) enable processing and analysis of unstructured, complex, rich, and usually vast graph datasets. Despite the large significance of GDBs in both academia and industry, little effort has been made into integrating them with the predictive power of graph neural networks (GNNs).
Maciej Besta   +7 more
openaire   +4 more sources

Graph Computing Systems and Partitioning Techniques: A Survey

open access: yesIEEE Access, 2022
Graphs are a tremendously suitable data representations that model the relationships of entities in many application domains, such as recommendation systems, machine learning, computational biology, social network analysis, and other application domains.
Tewodros Alemu Ayall   +6 more
doaj   +1 more source

Semantic acyclicity on graph databases [PDF]

open access: yesProceedings of the 32nd ACM SIGMOD-SIGACT-SIGAI symposium on Principles of database systems, 2013
Summary: It is known that unions of acyclic conjunctive queries (CQs) can be evaluated in linear time, as opposed to arbitrary CQs, for which the evaluation problem is NP-complete. It follows from techniques in the area of constraint-satisfaction problems that semantically acyclic unions of CQs -- i.e., unions of CQs that are equivalent to a union of ...
Pablo Barceló Baeza   +2 more
openaire   +8 more sources

A Graph DB-Based Solution for Semantic Technologies in the Future Internet

open access: yesFuture Internet, 2023
With the progressive improvements in the power, effectiveness, and reliability of AI solutions, more and more critical human problems are being handled by automated AI-based tools and systems.
Stefano Ferilli   +3 more
doaj   +1 more source

Opening a Free Path to Analyze the Discourse Shift in the Soviet Belarusian Newspaper 'Zviazda' after the Molotov-Ribbentrop Pact

open access: yesJournal of Open Humanities Data, 2023
This paper attempts to develop a pipeline designed to convert graphical PDF files of the newspaper Zviazda into usable text data in the Belarusian language with search and visualization options.
Loïc Boizou
doaj   +1 more source

Two for one: Querying property graph databases using SPARQL via gremlinator [PDF]

open access: yes, 2022
Art.12In the past decade Knowledge graphs have become very popular and frequently rely on the Resource Description Framework (RDF) or Property Graphs (PG) as their data models.
Thakkar, Harsh   +3 more
core   +1 more source

A Knowledge Graph Framework for Dementia Research Data

open access: yesApplied Sciences, 2023
Dementia disease research encompasses diverse data modalities, including advanced imaging, deep phenotyping, and multi-omics analysis. However, integrating these disparate data sources has historically posed a significant challenge, obstructing the ...
Santiago Timón-Reina   +4 more
doaj   +1 more source

A Graph Model Based Blockchain Implementation for Increasing Performance and Security in Decentralized Ledger Systems

open access: yesIEEE Access, 2020
Blockchains are being recently used as a supporting technology framework for decentralized applications requiring functionalities such as exchange of value through tokens, cryptocurrency and smart contracts.
Konstantinos Tsoulias   +4 more
doaj   +1 more source

Context-free path querying with all-path semantics using matrices with sets of intermediate vertices [PDF]

open access: yesНаучно-технический вестник информационных технологий, механики и оптики, 2021
The study considers the problem of context-free path querying with all-path query semantics. This problem consists in finding all paths of the graph, the labels on the edges of which form words from the language generated by the input context-free ...
Rustam Sh. Azimov, Semyon V. Grigorev
doaj   +1 more source

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