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All Posts in Descending Chronological Order
2020
50 Years of SQL, can you imagine a truly NoSQL approach ?
Table of Contents Introduction Two programming paradigm approaches for a NoSQL API Functional operations A glimpse from the future …
Athanassios I. Hatzis, PhD
2020-02-19
9 min read
Application_programming_interface
2019
Helicopter view of Graph Networks in DBMS
Table of Contents Introduction The new brave age of hyperlinked data Technical questions for hyperlinking data Physical Layer Logical …
Athanassios I. Hatzis, PhD
2019-10-30
7 min read
Semantic_Web
TRIACLICK 2nd Release
Second release of TRIACLICK on ClickHouse and MariaDB DBMS
Athanassios I. Hatzis, PhD
2019-10-25
3 min read
Application_programming_interface
About data granularity
Table of Contents Introduction Information Conceptual, computational semiotics framework Push forward Cross-References Introduction …
Athanassios I. Hatzis, PhD
2019-06-24
3 min read
Semantic_Web
Where is the gap in data modeling ?
Table of Contents Introduction Business vs Technological Factors Cross-References Introduction I was motivated to write this post …
Athanassios I. Hatzis, PhD
2019-06-15
3 min read
Semantic_Web
TRIACLICK 1st Release
First release of TRIACLICK on ClickHouse and MariaDB DBMS
Athanassios I. Hatzis, PhD
2019-02-11
2 min read
Application_programming_interface
2018
Yet another query language, really ?
Table of Contents Introduction Cross-References Introduction Recently, I have been reading an article for yet another query …
Athanassios I. Hatzis, PhD
2018-04-03
3 min read
Semantic_Web
Back to the roots, Relational Data Model
Important design and implementation principle arising from studying relational data model theory
Athanassios I. Hatzis, PhD
2018-03-10
4 min read
Semantic_Web
Build valuable relations; establish effective communications
A post that explains our philosophy and goals behind HEALIS
Athanassios I. Hatzis, PhD
2018-03-05
4 min read
2017
The wizards of stored computer program and the next generation of programmers
Have you noticed that what ever the model and data structure in databases we cannot escape from the fundamental principle of managing …
Athanassios I. Hatzis, PhD
2017-09-10
3 min read
Computer_programming
,
Software_engineering
Are our old data model standards out of shape ?
Both Topic Maps and RDF/OWL exhibit signs of aging. These signs do not indicate maturity levels but on the contrary they signal a …
Athanassios I. Hatzis, PhD
2017-07-09
5 min read
Semantic_Web
The three dimensions of AI and a fourth one as the key to unlock them
Although there has been significant progress with first and second generation AI systems in reasoning, learning and perceiving, …
Athanassios I. Hatzis, PhD
2017-06-23
2 min read
Semantic_Web
Many-to-Many Relationships
Associative entities are represented differently in various data models
Athanassios I. Hatzis, PhD
2017-04-20
2 min read
Semantic_Web
Associative Semiotic Hypergraph based on R3DM/S3DM
The last part (6/6) of a series demonstrating Associative Semiotic Hypergraph technology
Athanassios I. Hatzis, PhD
2017-04-12
31 min read
Semantic_Web
Data Modelling Topologies of a Graph Database
The associative data graph database model is still a heavy hitter, stacking up well against property graphs and triples/quadruples. …
Athanassios I. Hatzis, PhD
2017-02-28
4 min read
Semantic_Web
A Quick Guide on How to Prevail in the Graph Database Arena
A swift introduction to the key factors that influence the performance and unification character of graph databases
Athanassios I. Hatzis, PhD
2017-02-13
9 min read
Semantic_Web
Qlik Associative Model
Part 5/6 of the series Associative Data Modelling Demystified
Athanassios I. Hatzis, PhD
2017-02-11
10 min read
Semantic_Web
2016
Association in RDF Data Model
Part 4/6 of the series Associative Data Modelling Demystified
Athanassios I. Hatzis, PhD
2016-12-20
14 min read
Semantic_Web
Association in Property Graph Data Model
Part 3/6 of the series Associative Data Modelling Demystified
Athanassios I. Hatzis, PhD
2016-09-13
15 min read
Semantic_Web
Association in Topic Map Data Model
Part 2/6 of the series Associative Data Modelling Demystified
Athanassios I. Hatzis, PhD
2016-09-02
8 min read
Semantic_Web
Relation, Relationship and Association
Part 1/6 of the series Associative Data Modelling Demystified
Athanassios I. Hatzis, PhD
2016-08-25
10 min read
Semantic_Web
Know-How is How you Know
Table of Contents Introduction The Problem About Knowledge The Know-How is how you know The “I know something or someone” …
Athanassios I. Hatzis, PhD
2016-07-29
6 min read
Semantic_Web
From Declarative to Functional Database Operations
SQL CRUD RESTful Transformations in Mathematica and OrientDB
Athanassios I. Hatzis, PhD
2016-02-10
3 min read
Application_programming_interface
2015
OrientDB Mathematica Package
Overview The main function of this Mathematica package, ODBapi, is built on top of the URLFetch built-in function. OrientDB RESTful …
Athanassios I. Hatzis, PhD
2015-12-30
3 min read
Application_programming_interface
AtomicDB Mathematica AddOn (ADBM)
AtomicDB API in Mathematica
Athanassios I. Hatzis, PhD
2015-10-09
2 min read
Application_programming_interface
Why Google shuts down Freebase ?
Freebase, the best collaborative information management system ever built
Athanassios I. Hatzis, PhD
2015-06-09
8 min read
Semantic_Web
The number '3' and The Three-Faceted Abstraction Mechanism in R3DM
Part 3/3 - Towards a New Data Modelling Architecture
Athanassios I. Hatzis, PhD
2015-05-23
3 min read
Semantic_Web
Plerophoria vs Information
The ancient Greek origin of the word information
Athanassios I. Hatzis, PhD
2015-05-23
4 min read
Atomic Information Resource (AIR)
Part 2/3 - Towards a New Data Modelling Architecture
Athanassios I. Hatzis, PhD
2015-03-20
21 min read
Semantic_Web
Relational/ER Constructs in Wolfram Language
Part 1/3 - Towards a New Data Modelling Architecture
Athanassios I. Hatzis, PhD
2015-03-17
13 min read
Semantic_Web
2013
S3DM/R3DM vs RDF
Discussion on the variable-value pair and the identity crisis on the web
Athanassios I. Hatzis, PhD
2013-11-05
10 min read
Semantic_Web
S3DM/R3DM in TMDM
Examples of R3DM illustrated with Topic Map Data Models
Athanassios I. Hatzis, PhD
2013-10-02
5 min read
Semantic_Web
S3DM/R3DM Q&A
Old wiki pages on R3DM ported from neurorganon.org
Athanassios I. Hatzis, PhD
2013-10-01
9 min read
Semantic_Web
Origins of a new theoretical framework on information representation
The problem of defining, representing and identifying an information resource
Athanassios I. Hatzis, PhD
2013-04-03
4 min read
Semantic_Web
2010
MEDILIG Second Release
Second release of MEDILIG at SourceForge
Athanassios I. Hatzis, PhD
2010-09-13
1 min read
Health_information_technology
Open Data vs Open Source Software
Why do you apply two licenses ODbL and GPL for the MEDILIG project ?
Athanassios I. Hatzis, PhD
2010-08-10
3 min read
Health_information_technology
Healthcare Software on Proprietary OS
Extract from a post to gnusolidario forum of Luis Falcon discussing MEDILIG software licenses
Athanassios I. Hatzis, PhD
2010-04-12
4 min read
Health_information_technology
MEDILIG First Release
First release of MEDILIG at SourceForge
Athanassios I. Hatzis, PhD
2010-03-25
1 min read
Health_information_technology
2009
NEUROHEALIS - Ειδική Βάση Σπαστικότητας
Διαγράμματα προόδου για την ειδική βάση σπαστικότητατς του NEUROHEALIS
Athanassios I. Hatzis, PhD
2009-01-23
1 min read
Health_information_technology
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