NFTs and the metaverse revolution: research perspectives and open challenges
Abstract The Spatial Web vision aims towards the development of a multidimensional layer
to the Web fabric where the physical layer is fused with some virtual environment. Advances …
to the Web fabric where the physical layer is fused with some virtual environment. Advances …
Dataset discovery and exploration: A survey
Data scientists are tasked with obtaining insights from data. However, suitable data is often
not immediately at hand, and there may be many potentially relevant datasets in a data lake …
not immediately at hand, and there may be many potentially relevant datasets in a data lake …
A survey on semantic schema discovery
K Kellou-Menouer, N Kardoulakis, G Troullinou… - The VLDB Journal, 2022 - Springer
More and more weakly structured, and irregular data sources are becoming available every
day. The schema of these sources is useful for a number of tasks, such as query answering …
day. The schema of these sources is useful for a number of tasks, such as query answering …
Towards a programmable semantic extract-transform-load framework for semantic data warehouses
In order to create better decisions for business analytics, organizations increasingly use
external data, structured, semi-structured and unstructured, in addition to the (mostly …
external data, structured, semi-structured and unstructured, in addition to the (mostly …
Survey of tools for linked data consumption
There is a large number of datasets published as Linked (Open) Data (LOD/LD). At the same
time, there is also a multitude of tools for publication of LD. However, potential LD …
time, there is also a multitude of tools for publication of LD. However, potential LD …
Schema discovery in RDF data sources
K Kellou-Menouer, Z Kedad - … , ER 2015, Stockholm, Sweden, October 19 …, 2015 - Springer
The Web has become a huge information space consisting of interlinked datasets, enabling
the design of new applications. The meaningful usage of these datasets is a challenge, as it …
the design of new applications. The meaningful usage of these datasets is a challenge, as it …
Hint: Hybrid and incremental type discovery for large RDF data sources
N Kardoulakis, K Kellou-Menouer… - Proceedings of the 33rd …, 2021 - dl.acm.org
The rapid explosion of linked data has resulted into many weakly structured and incomplete
data sources, where typing information might be missing. On the other hand, type …
data sources, where typing information might be missing. On the other hand, type …
Question answering system to support university students' orientation, recruitment and retention
Educational institutions are creating more and more programs and developing new
techniques to identify and select the right students. Many universities started to develop their …
techniques to identify and select the right students. Many universities started to develop their …
Ontology summarization: Graph-based methods and beyond
Ontologies have been widely used in numerous and varied applications, eg to support data
modeling, information integration, and knowledge management. With the increasing size of …
modeling, information integration, and knowledge management. With the increasing size of …
A visual summary for linked open data sources
In this paper we propose LODeX, a tool that produces a representative summary of a Linked
open Data (LOD) source starting from scratch, thus supporting users in exploring and …
open Data (LOD) source starting from scratch, thus supporting users in exploring and …