1. Maintaining knowledge about temporal intervals;Allen;Commun. ACM,1983
2. Categories. On Interpretation. Prior Analytics;Aristotle,1938
3. Conceptual Database Design: an Entity-Relationship Approach;Batini,1992
4. Sequential data analytics by means of seq-sql language;Bebel,2015
5. OLAP-like analysis of time point-based sequential data;Bebel,2012