16 Result(s)
within
Giorgos Giannopoulos
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Article
Open AccessResource demands in telco data centers
Telecommunication (telco) cloud services have emerged as crucial components in the modern digital landscape, offering extensive capabilities for data management, connectivity, and service provision. However, r...
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Chapter and Conference Paper
Databases and Information Systems: Contributions from ADBIS 2023 Workshops and Doctoral Consortium
The 27th European Conference on Advances in Databases and Information Systems (ADBIS) aims at providing a forum where researchers and practitioners in the fields of databases and information systems can intera...
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Chapter and Conference Paper
Learning Advanced Similarities and Training Features for Toponym Interlinking
Interlinking of spatio-textual entities is an open and quite challenging research problem, with application in several commercial fields, including geomarketing, navigation and social networks. It comprises th...
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Chapter and Conference Paper
Unsupervised Disaggregation of Low Granularity Resource Consumption Time Series
Resource consumption is typically monitored at a single point that aggregates all activities of the household in one time series. A key task in resource demand management is disaggregation; an operation that d...
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Chapter and Conference Paper
Learning to Classify Spatiotextual Entities in Maps
In this paper, we present an approach for automatically recommending categories for spatiotextual entities, based on already existing annotated entities. Our goal is to facilitate the annotation process in cro...
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Article
Algorithms and criteria for diversification of news article comments
In this paper, we introduce an approach for diversifying user comments on news articles. We claim that, although content diversity suffices for the keyword search setting, as proven by existing work on search ...
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Chapter and Conference Paper
FAGI-gis: A Tool for Fusing Geospatial RDF Data
In this demonstration, we present FAGI-gis, a tool for fusing geospatial RDF data. FAGI-gis is the core component of the FAGI framework, which handles all the steps of the fusion process of two interlinked RDF...
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Chapter and Conference Paper
FAGI: A Framework for Fusing Geospatial RDF Data
In this paper, we present FAGI, a framework for fusing geospatial RDF data. Starting from two interlinked datasets, FAGI handles all the steps of the fusion process, producing an integrated, richer dataset tha...
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Chapter and Conference Paper
Diversifying Microblog Posts
Microblogs have become an important source of information, a medium for following and spreading trends, news and ideas all over the world. As a result, microblog search has emerged as a new option for covering...
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Chapter and Conference Paper
FAGI-tr: A Tool for Aligning Geospatial RDF Vocabularies
In this paper, we present FAGI-tr, a tool for aligning RDF vocabularies with respect to their geospatial aspect. The tool provides a framework for (a) loading a source and a target geospatial RDF dataset, (b) ...
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Chapter and Conference Paper
Personalizing Keyword Search on RDF Data
Despite the vast amount on works on personalizing keyword search on unstructured data (i.e. web pages), there is not much work done handling RDF data. In this paper we present our first cut approach on persona...
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Chapter and Conference Paper
RDivF: Diversifying Keyword Search on RDF Graphs
In this paper, we outline our ongoing work on diversifying keyword search results on RDF data. Given a keyword query over an RDF graph, we define the problem of diversifying the search results and we present d...
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Chapter and Conference Paper
Diversifying User Comments on News Articles
In this paper we present an approach for diversifying user comments on news articles. In our proposed framework, we analyse user comments w.r.t. four different criteria in order to extract the respective diver...
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Chapter and Conference Paper
Search Behavior-Driven Training for Result Re-Ranking
In this paper we present a framework for improving the ranking learning process, taking into account the implicit search behaviors of users. Our approach is query-centric. That is, it examines the search behav...
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Chapter and Conference Paper
GoNTogle: A Tool for Semantic Annotation and Search
This paper presents GoNTogle, a tool which provides advanced document annotation and search facilities. GoNTogle allows users to annotate several document formats, using ontology concepts. It also produces aut...
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Chapter and Conference Paper
Integrating Keywords and Semantics on Document Annotation and Search
This paper describes GoNTogle, a framework for document annotation and retrieval, built on top of Semantic Web and IR technologies. GoNTogle supports ontology-based annotation for documents of several formats,...
