Liam Neeson, Julianne Moore and Michelle Dockery star in this action drama set on board an aeroplane from director Jaume Collet-Serra. While flying from New York to London US Federal Air Marshal Bill Marks (Neeson) receives text messages from an anonymous sender who is threatening to murder a passenger every 20 minutes until millions of dollars are deposited into an unnamed bank account. Marks faces a race against time to find and restrain the person responsible but when the bank account is found out to be in his name he is accused of being the hijacker. As victims are claimed, Marks discovers a bomb on board the aircraft which only exacerbates his predicament. Can he find the culprit in order to save the remaining passengers and prove his innocence?

Sean Penn, Javier Bardem and Idris Elba star in this action thriller directed by Pierre Morel and adapted from the novel by Jean-Patrick Manchette. Jim Terrier (Penn) is an ex-military contractor with post-traumatic stress disorder who hopes to leave his past behind him and settle down with his long-term partner. However, to escape the organisation he used to work for he must go on the run across Europe in an attempt to clear his name. Will he succeed? The cast also includes Mark Rylance, Ray Winstone and Jasmine Trinca.

Liam Neeson, Julianne Moore and Michelle Dockery star in this action drama set on board an aeroplane from director Jaume Collet-Serra. While flying from New York to London US Federal Air Marshal Bill Marks (Neeson) receives text messages from an anonymous sender who is threatening to murder a passenger every 20 minutes until millions of dollars are deposited into an unnamed bank account. Marks faces a race against time to find and restrain the person responsible but when the bank account is found out to be in his name he is accused of being the hijacker. As victims are claimed, Marks discovers a bomb on board the aircraft which only exacerbates his predicament. Can he find the culprit in order to save the remaining passengers and prove his innocence?

This two-volume set LNCS 12035 and 12036 constitutes the refereed proceedings of the 42nd European Conference on IR Research, ECIR 2020, held in Lisbon, Portugal, in April 2020.* The 55 full papers presented together with 8 reproducibility papers, 46 short papers, 10 demonstration papers, 12 invited CLEF papers, 7 doctoral consortium papers, 4 workshop papers, and 3 tutorials were carefully reviewed and selected from 457 submissions. They were organized in topical sections named: Part I: deep learning I; entities; evaluation; recommendation; information extraction; deep learning II; retrieval; multimedia; deep learning III; queries; IR - general; question answering, prediction, and bias; and deep learning IV. Part II: reproducibility papers; short papers; demonstration papers; CLEF organizers lab track; doctoral consortium papers; workshops; and tutorials. *Due to the COVID-19 pandemic, this conference was held virtually.

This two-volume set LNCS 12035 and 12036 constitutes the refereed proceedings of the 42nd European Conference on IR Research, ECIR 2020, held in Lisbon, Portugal, in April 2020.* The 55 full papers presented together with 8 reproducibility papers, 46 short papers, 10 demonstration papers, 12 invited CLEF papers, 7 doctoral consortium papers, 4 workshop papers, and 3 tutorials were carefully reviewed and selected from 457 submissions. They were organized in topical sections named: Part I: deep learning I; entities; evaluation; recommendation; information extraction; deep learning II; retrieval; multimedia; deep learning III; queries; IR - general; question answering, prediction, and bias; and deep learning IV. Part II: reproducibility papers; short papers; demonstration papers; CLEF organizers lab track; doctoral consortium papers; workshops; and tutorials. *Due to the COVID-19 pandemic, this conference was held virtually.