Guided Exploration of User Groups

Authors:    Mariia Seleznova, Behrooz Omidvar-Tehrani, Sihem Amer-Yahia, Eric Simon Published in:   PVLDB 2020 Abstract:    Finding a set of users of interest serves several applications in behavioral analytics. Often times, identifying users re- quires to explore the...

Counting Query Answers over a DL-Lite Knowledge Base

Authors:      Diego Calvanese, Julien Corman, Davide Lanti, and Simon Razniewski Published in:   International Joint Conference on Artificial Intelligence (IJCAI 2020) Abstract:     Counting answers to a query is an operation supported by virtually all database...

Ontop

Author: Davide Lanti      Ontop is a Virtual Knowledge Graph (VKG) system. A VKG system exposes the content of arbitrary relational databases as knowledge graphs. These graphs are virtual, which means that data remains in the data sources instead of being moved to...

Noima

Authors:    Dimitris Papadopoulos   Noima: A social media and Web analysis suite for Greek corpora Noima (Greek for “meaning”) is Infili’s text analytics and information extraction platform. It leverages web crawling and computational linguistics techniques to collect...

SODA

Author :  Ana Sima Search Over Relational Databases  (SODA) is a pattern-based keyword search system for relational databases. Starting from a keyword query, SODA automatically generates a ranked list of interpretations in the form of executable SQLs. The key idea...

Logos

Authors:     Georgia Koutrika   Explaining queries in text is useful in many cases in order to allow for a conversation-style interaction between the user and the system. For example, when the user is asking a query in natural language, the system may end up with more...