This book constitutes the refereed proceedings of the 40th European Conference on IR Research
ECIR 2018 held in Grenoble France in March 2018. The 39 full papers and 39 short papers
presented together with 6 demos 5 workshops and 3 tutorials were carefully reviewed and
selected from 303 submissions. Accepted papers cover the state of the art in information
retrieval including topics such as: topic modeling deep learning evaluation user behavior
document representation recommendation systems retrieval methods learning and classication
and micro-blogs.
