Large scale opinion mining for social, news and blog data

N Tsirakis, V Poulopoulos, P Tsantilas… - Journal of Systems and …, 2017 - Elsevier
Companies that collect and analyze data from social media, news and other data streams
are faced with several challenges that concern storage and processing of huge amounts of …

Applying linked data technologies to Greek open government data: a case study

E Galiotou, P Fragkou - Procedia-social and behavioral sciences, 2013 - Elsevier
Open government data is a valuable resource of information addressed to a significant
number of recipients. However, this information is usually published in raw format, ie without …

Removing barriers to transparency: A case study on the use of semantic technologies to tackle procurement data inconsistency

G Futia, A Melandri, A Vetrò, F Morando… - The Semantic Web: 14th …, 2017 - Springer
Public Procurement (PP) information, made available as Open Government Data (OGD),
leads to tangible benefits to identify government spending for goods and services …

Querying greek governmental site using sparql

P Fragkou, N Kritikos, E Galiotou - Proceedings of the 20th pan-hellenic …, 2016 - dl.acm.org
Open government data contain valuable information addressed to a significant number of
recipients which however, remains unexploited. Linked data technologies, on the other …

[PDF][PDF] Towards Transparent Governance by Unifying Open Data.

P Kaur, P Nand - IAENG International Journal of Computer Science, 2021 - iaeng.org
Open data initiatives have been gaining increasing momentum in recent times both with
national government as well as regional governing bodies. Increasing number of …

Public spending as LOD: the case of Greece

M Vafopoulos, M Meimaris, I Anagnostopoulos… - Semantic …, 2015 - content.iospress.com
Abstract The Public Spending (PS) project is the first attempt to generate, curate, interlink
and distribute daily updated public spending data in LOD formats that can be useful to both …

A platform for real-time opinion mining from social media and news streams

N Tsirakis, V Poulopoulos, P Tsantilas… - 2015 IEEE Trustcom …, 2015 - ieeexplore.ieee.org
Big data is a popular term used to describe the exponential growth and availability of data,
both structured and unstructured. It can best be defined by thinking of three Vs: Big data is …

Weaving the economic linked open data

M Vafopoulos, M Meimaris - 2012 Seventh International …, 2012 - ieeexplore.ieee.org
Efforts in integrating the basic economic functions under a common or compatible context
could be accelerated by enabling semantic processing of the underlying data. We establish …

Joint procurement and the EU perspective

FS Mennini, N Dimitri, L Gitto, F Lichere… - Law and Economics of …, 2017 - taylorfrancis.com
Health systems are globally facing an urgent need for the control of drug expenditure to
decrease pressure on health care financial resources. Hence, when striving for cost …

Public spending as LOD: the case of Greece

MN Vafopoulos, M Meimaris… - Available at SSRN …, 2013 - papers.ssrn.com
The PSGR project is the first attempt to generate, curate, interlink and distribute daily
updated public spending data in LOD formats that can be useful to both expert (ie scientists …