Logos: a system for translating queries into narratives

Authors:
Andreas Kokkalis;Panagiotis Vagenas;Alexandros Zervakis;Alkis Simitsis;Georgia Koutrika;Yannis Ioannidis
Affiliations:
University of Athens, Athens, Greece;University of Athens, Athens, Greece;University of Athens, Athens, Greece;HP Labs, Palo Alto, USA;IBM Almaden, San Jose, USA;University of Athens, Athens, Greece
Venue:
SIGMOD '12 Proceedings of the 2012 ACM SIGMOD International Conference on Management of Data
Year:
2012

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Abstract

This paper presents Logos, a system that provides natural language translations for relational queries expressed in SQL. Our translation mechanism is based on a graph-based approach to the query translation problem. We represent various forms of structured queries as directed graphs and we annotate the graph edges with template labels using an extensible template mechanism. Logos uses different graph traversal strategies for efficiently exploring these graphs and composing textual query descriptions. The audience may interactively explore Logos using various database schemata and issuing either sample or ad hoc queries.