This volume was motivated by the Year of Prolog initiative, launched to celebrate the 50th anniversary of the emergence of Prolog through the work of Alain Colmerauer’s team in Marseille. The volume editors, authors, and scientific advisors and reviewers have been the leading researchers and programmers in this field over decades, and the book represents an excellent overview of the field, its successes, and its future.After a first chapter that gently introduces the Prolog program...

Hartvig Dahl This is a book about the future that we hope will arouse the curiosity of clinicians and point a direction for researchers. It marks the surprisingly rapid evolution of psychodynamic psychotherapy research from an applied toward a basic science, and, as its title implies, describes strategies to follow rather than results to live by. It was not always thus. A quarter of a century ago the editors of two volumes of psychotherapy research reports summarized the state of the field...