  The SIGIR 2019 Workshop on eCommerce (ECOM19), was a full day workshop that
took place on Thursday, July 25, 2019 in Paris, France. The purpose of the
workshop was to serve as a platform for publication and discussion of
Information Retrieval and NLP research and their applications in the domain of
eCommerce. The workshop program was designed to bring together practitioners
and researchers from academia and industry to discuss the challenges and
approaches to product search and recommendation in the eCommerce domain. A
second goal was to run a data challenge on real-world eCommerce data. The
workshop drew contributions from both industry as well as academia, in total
the workshop received 38 submissions, and accepted 24 (63%). There were two
keynotes by invited speakers, a poster session where all the accepted
submissions were presented, a panel discussion, and three short talks by
invited speakers.
