Piggyback: Using Search Engines for Robust Cross-Domain Named Entity Recognition. - Stefan Rüd; Massimiliano Ciaramita; Jens Müller; Hinrich Schütze (ACL, 2011)

The SMAPH system for query entity recognition and disambiguation. - Marco Cornolti; Paolo Ferragina; Massimiliano Ciaramita; Hinrich Schütze; Stefan Rüd (ERD@SIGIR, 2014)

A Piggyback System for Joint Entity Mention Detection and Linking in Web Queries. - Marco Cornolti; Paolo Ferragina; Massimiliano Ciaramita; Stefan Rüd; Hinrich Schütze (WWW, 2016)

SMAPH: A Piggyback Approach for Entity-Linking in Web Queries. - Marco Cornolti; Paolo Ferragina; Massimiliano Ciaramita; Stefan Rüd; Hinrich Schütze (ACM Trans. Inf. Syst., 2019)