collecting links and documents about the topic
Object Systems (2004, as used in Thief 1998) http://chrishecker.com/images/6/6f/ObjSys.ppt
A Data Driven Game Object System (GDC 2002) http://scottbilas.com/files/2002/gdc_san_jose/game_objects_slides_with_notes.pdf
A Dynamic Component Architecture for High Performance Gameplay (GDC 2010) http://www.insomniacgames.com/a-dynamic-component-architecture-for-high-performance-gameplay/
Building a Data-Oriented Entity System (C++, 2014) http://bitsquid.blogspot.com.au/2014/08/building-data-oriented-entity-system.html http://bitsquid.blogspot.com.au/2014/09/building-data-oriented-entity-system.html http://bitsquid.blogspot.com.au/2014/10/building-data-oriented-entity-system.html http://bitsquid.blogspot.com.au/2014/10/building-data-oriented-entity-system_10.html
Comparison of Doom 1, Quake, and Doom 3 entity references system http://blog.noctua-software.com/entity-references.html
Adam Martin. Entity Systems are the future of MMOG development http://t-machine.org/index.php/2007/09/03/entity-systems-are-the-future-of-mmog-development-part-1/, 2007
Jeff Plummer. A flexible and expandable architecture for computer games https://www.tjhsst.edu/~rlatimer/techlab07/plummer_thesis.pdf , 2004
The Components and Systems of Morgan's Raid http://paulgestwicki.blogspot.ru/2012/03/components-and-systems-of-morgans-raid.html
Dungeon Siege https://web.archive.org/web/20150418070828/http://scottbilas.com/games/dungeon-siege
Data Structures for Entity Systems: Contiguous memory http://t-machine.org/index.php/2014/03/08/data-structures-for-entity-systems-contiguous-memory/
Artemis-odb a high performance java based Entity-Component-System framework https://github.com/junkdog/artemis-odb