Dialog Technology Bibliography
For the Interspeech 2015 Tutorial on Dialog Models and Dialog Phenomena, Gabriel Skantze and I prepared a bibliography listing landmark work and selected recent advances, over a wide range of topics relating to dialog technology.
Its organization follows the topics of the tutorial.
Another bibliography, with more references and live links, is the Special Interest Group on Dialog and Discourse's SigDial Bibliography.
Discussion of the research forefront can be found in Challenges in Building Highly-Interactive Dialog Systems.