Property Graphs
What is a Property Graph?
A property graph is a graph data structure that consists of nodes, edges, and properties. Each node represents an entity or object, each edge represents a relationship between entities, and each property represents a characteristic of an entity or a relationship. The model is used in graph databases to represent and store data in a highly flexible and scalable manner. Since they can represent any kind of data and relationships, they can be used to model a wide variety of scenarios. In addition, property graphs can handle large amounts of data and scale horizontally across multiple machines, making them suitable for big data applications....
Our Features
The research project will focus on sophisticated types of graph modifications,
incorporate and perform safely schemas into querying
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The research project will explore schema extraction for PGs and then will investigate how to capitalise schema
for integrating data from multiple sources
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The research project will provide a holistic evaluation including both schema discovery
and schema-based data integration of multiple PG
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The research project will explore and define a formal declarative query language that can operate at the level of graphs
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The research project will explore schema-based partitioning techniques to improve the efficiency of systems
processing big Property Graphs
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The research project will ensure an effective exploitation plan for the long-term maintenance and
availability of the TALE activities
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The research project will capitalize works from Semantic and JSON schema discovery
to enable schema discovery for Property Graphs
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The research project will explore summary-based partitioning and
hierarchical schemas for improving query answering efficiency
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The research project will implement a novel infrastructure focusing on four main
phases: design, development, evaluation, and exploitation
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What is TALE ?
The main objective of this work is to design a technological stack, based on solid theoretical underpinning, around the property graph data model that can enable graph processing and analytics at scale. The overarching aims of this work is to capitalize expertise and technology that is developed for decades at FORTH for semantic graphs, such as those of graph databases, semantic web technologies, foundations of databases and data models, big data systems, as well as graph algorithms and techniques and to generate a whole new field of interest the scientific community focusing on Property Graphs...
OUR TEAM
Dimitris Plexousakis
Principal Investigator
dp@ics.forth.gr
Georgia Troullinou
Post-Doctoral Researcher
troulin@ics.forth.gr
Haridimos Kondylakis
Scientific Coordinator
kondylak@ics.forth.gr
Elisjana Ymeralli
Software Engineer
ymeralli@ics.forth.gr
Vasilis Efthymiou
Affiliated Researcher
vefthym@ics.forth.gr
Cooperation & Funding
Contact Us
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Contact Us:
Information Systems Laboratory (ISL)
Foundation for Research and Technology – Hellas (FORTH-ICS)
100 N.Plastira St.Vassilika Vouton, 70013 Heraklion, Crete, Greece
Email: ymeralli@ics.forth.gr
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