This paper studies the problem of\em answering Why-questions for graph pattern queries.
Given a query Q, its answers Q(G) in a graph G, and an exemplar \E that describes desired …

Recently, exploratory search has received much attention in information retrieval and
database fields. This search paradigm assists users who do not have a clear search intent …

With an exponentially growing number of graphs from disparate repositories, there is a
strong need to analyze a graph database containing an extensive collection of small-or …

A temporal knowledge graph (TKG) is theoretically a temporal graph. Recently, systems
have been developed to support snapshot queries over temporal graphs. However …

In this paper, we propose a novel approach for knowledge discovery from textual data. The
generated knowledge base can be used as one of the main components in the cognitive …

L'expression «Web sémantique» désigne une extension du Web qui s' appuie sur des
données structurées et réutilisables. L'objectif est de produire du contenu pouvant être …

Exploratory search paradigm assists users who do not have a clear search intent and are
unfamiliar with the underlying data space. Query formulation evolves iteratively in this …

Knowledge Graphs (KGs) are used to store heterogenous information in the form of graphs.
One flexible and non-expert way to query these KGs is to use relationship queries or …

Une ontologie (ou base de connaissances) est une représentation formelle de
connaissances sous la forme d'entités et de faits sur ces entités. Ces dernières années de …

Le Web sémantique a été créé, dans les années 90, afin de permettre aux utilisateurs de
rechercher, partager et combiner les informations plus aisément et sans aucun …