Results 61 to 70 of about 131,872 (295)

GQL Rules: Deterministic and Safe Rule-Based Materialization for Property Graphs

open access: yesIEEE Access
Property-graph query languages have matured, but controlled materialization of reusable derived graph knowledge has remained comparatively under-specified.
Dominik Tomaszuk
doaj   +1 more source

Analyzing The Encountered Problems and Possible Solutions of Converting Relational Databases to Graph Databases

open access: yesJournal of Advanced Research in Natural and Applied Sciences, 2022
Relational database management systems have been used for storing data for a long time.However, these systems are insufficient to analyze the large and complex structure of the data.
Ramazan Altın, A. Cumhur Kınacı
doaj   +1 more source

Design and analysis strategies for robust microbiome ageing research

open access: yesFEBS Letters, EarlyView.
The gut microbiome changes with age and associates with age‐related morbidity and mortality, establishing it as a potential biomarker and intervention target for ageing. Realising this potential requires methodological rigour, yet distinguishing biological signals from methodological artefacts remains challenging across cohorts. This review provides an
Mark Olenik   +5 more
wiley   +1 more source

Query Evaluation in Deductive Databases [PDF]

open access: yes, 1990
It is desirable to answer queries posed to deductive databases by computing fixpoints because such computations are directly amenable to set-oriented fact processing.
Bry, François
core   +1 more source

The role of miR‐335‐5p in the redifferentiation of BRAF p.V600E thyroid cancers

open access: yesMolecular Oncology, EarlyView.
The BRAF p.V600E mutation promotes thyroid cancer dedifferentiation and radioiodine resistance. Using a network approach, we identified miR‐335‐5p as a key regulator of BRAF‐mutated thyroid tumors. Restoring miR‐335‐5p increased thyroid‐specific gene expression and iodine uptake in cells and organoids.
Valeria Pecce   +11 more
wiley   +1 more source

Graph Homomorphism Revisited for Graph Matching [PDF]

open access: yes, 2010
In a variety of emerging applications one needs to decide whether a graph G matches another Gp, i.e., whether G has a topological structure similar to that of Gp. The traditional notions of graph homomorphism and isomorphism often fall short of capturing
Li, Jianzhong   +4 more
core  

Query Languages for Graph Databases [PDF]

open access: yes, 2018
In the past few years many NoSQL databases have emerged, including graph databases. NoSQL databases have certain advantages and they can be used in certain domains as an alternative to relational databases.
Kornelije Rabuzin
core   +1 more source

Using SPARQL to access Linked Open Data

open access: yesThe Programming Historian, 2015
This lesson explains why many cultural institutions are adopting graph databases, and how researchers can access these data though the query language called SPARQL.
Matthew Lincoln
doaj  

Relational database and graph database: A comparative analysis [PDF]

open access: yesJournal of Process Management. New Technologies, 2017
Since 1970, relational database models have been in use for storing, manipulating and retrieving data. The importance of relational databases is going to decrease due to the exponential growth of data as it is difficult to work with large number of joining tables.
Surajit Medhi, Hemanta K. Baruah
openaire   +2 more sources

EDNRB‐dependent endothelin signaling reduces proliferation and promotes proneural‐to‐mesenchymal transition in gliomas

open access: yesMolecular Oncology, EarlyView.
Glioma cells mainly express the endothelin receptor EDNRB, while EDNRA is restricted to a perivascular tumor subpopulation. Endothelin signaling reduces glioma cell proliferation while promoting migration and a proneural‐to‐mesenchymal transition associated with poor prognosis. This pathway activates Ca2+, K+, ERK, and STAT3 signalings and is regulated
Donovan Pineau   +36 more
wiley   +1 more source

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