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About the Semantic Access and Retrieval group

To support human users in obtaining correct information from the huge and increasing amounts available, in the appropriate amount/form, relevant to the task at hand and presented in the appropriate way, is a complex and challenging goal. The Semantic Access and Retrieval (SAR) group of ISL contacts basic and applied research on semantic-based information access and retrieval. It combines expertise from information retrieval and semantic data management. It focuses on methodologies, methods and techniques for (a) indexing and analyzing structured and unstructured sources, (b) integrating large in number sources and datasets, and (c) enabling flexible interactive methods for exploratory search. The following list details the group's current research interests:

We apply our prototypes and solutions in several areas including Research Infrastructures, Digital Libraries, E-commerce and E-government.

Links to recent presentations:

The Team

This group comprises researchers, engineers and graduate and undergraduate fellows of the Information Systems Laboratory (ISL) of FORTH-ICS.


Yannis Tzitzikas

Yannis Tzitzikas

Coordinator

home page

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Yannis Marketakis

Senior Research Engineer

home page

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Nikos Minadakis

Research Engineer

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Pavlos Fafalios

Currently post-doctroal researcher at L3S

home page


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Michalis Mountantonakis

PhD Student

home page

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Panagiotis Lionakis

PhD Student

home page

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Thanos Giannakis

MSc Student

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George Nikitakis

MSc Student


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Eleftherios Dimitrakis

MSc Student

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Costas Sgontzos

MSc Student

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Giorgos Kadilierakis

MSc Student

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Maria Papadaki

PhD Student

site for group members only

Recent Research Prototypes and Technology Offerings


Exploratory (Web) Searching

Semantic Data Management

Digital Preservation (tools and systems)

Ontologies

Other Useful Tools and Datasets

Datasets

Android Applications

Publications

Catalog (in reverse chonological order).

Projects

A Linked Data-assisted Statistical Spoken Dialogue System, TOSHIBA RESEARCH EUROPE Ltd, Duration: 1/4/2017 – 31/3/2019
My role: Scientific responsible
Υπηρεσίες για τη Διασύνδεση και Ολοκλήρωση Μεγάλου Πλήθους Σημασιολογικών Συνολοδεδομένων, (Hellenic Foundation for Research and Innovation, ΕΛΙΔΕΚ), Duration: 01/08/2017 - 31/10/2019
My role: Scientific responsible
BlueBRIDGE (project's web site , @cordis , press release Oct 1, 2015 ) (Building Research environments for fostering Innovation, Decision making, Governance and Education to support Blue growth), H2020-EINFRA-2015-1 Project number:
Duration: Sept. 2015- Feb 2018
Mainly involved with: Construction of Semantic Warehouses , Dataset Discovery
Data transformation and ingestion for LIVEWHAT (Living with Hard Times: How European Citizens Deal with Economic Crises and Their Social and Political Consequences), 2/8/2016 - 21/9/2016 . Task that was funded by the University of Crete through its participation of the EU project LIVEWHAT.
The objective of our group was to transform data extracted from websites of 9 European countries and then to ingest them to wiki site.
Data Extraction for LIVEWHAT (Living with Hard Times: How European Citizens Deal with Economic Crises and Their Social and Political Consequences), 1/6/2015-31/6/2015 . Task that was funded by the University of Crete through its participation of the EU project LIVEWHAT.
The objective of our group was to mine data from the websites from 9 European countries.
iMARINE (Data e-Infrastructure Initiative for Fisheries Management and Conservation of Marine Living Resources) , FP7 Data Infrastructure for eScience (INFRA 2011-1.2.2), Project number:
Duration: Nov. 2011- Sept. 2014
Mainly involved with: Harmonization of Metadata and Semantics , Semantic Data Analysis Facilities

More information is available from the pages:

* MarineTLO

* XSearch

A report summarizing our contribution can be found here
SCIDIP-ES (SCIence Data Infrastructure for Preservation - Earth Science) , FP7 Data Infrastructure for eScience (INFRA 2011-1.2.2), Project number:
Duration: Sep. 2011- August 2014
Mainly involved with: Harmonization of Earth Science metadata semantics and ontologies , and Intelligibility Gap Identification Service Research and Development .

K>A tutorial on Dependency Management for Digital Preservation . Last update: August 2011.

APARSEN (Alliance Permanent Access to the Records of Science in Europe Network) , FP7 Network of Excellence, Project number: 269977
Duration: 2011-2014
Mainly involved with the work package on Interoperability and intelligibility and Athenticity and Provenance .

More information about the work done on automated reasoning for digital preservation is available in the page of the system Epimenides::

* Epimenides

MUMIA (Multilingual and multifaceted interactive information access) , COST Action IC1002
Duration: 2010-2014
Yannis Tzitzikas was national representative of Greece, and Vice Chair of WG 4: Semantic and Faceted Search

New:

* 3rd Training MUMIA Training School at FORTH-ICS, July 21-25, 2014

EO User Service Next Generation (EO USNG) Phase 2
Duration: 1/5/2009-30/4/2010
Objective: advancing the access services of ESA (European Space Agency).
Scientific responsible of FORTH. Design and implementation of advanced access services for the catalog of ESA products.
Related links: FleXplorer
CASPAR (Cultural, Artistic and Scientific knowledge for Preservation, Access and Retrieval) , FP6 Integrated Project
Duration: 2006-2009
Various contributions in knowledge management for digital preservation, summarized in the following ERCIM News articles: 1 and 2 .

A tutorial on Dependency Management for Digital Preservation . Last update: August 2011.

EO User Service Next Generation (EO USNG)
Duration: 1/2/2008-1/10/2008
Objective: Advancing the access services of ESA (European Space Agency).
Scientific responsible of FORTH. Design of advanced access services for the catalog of ESA products.
Contact Us

Address

FORTH-ICS, N. Plastira 100, Vassilika Vouton, Heraklion, Crete, GREECE

+30 2810 391 621

tzitzik at ics dot forth dot gr