1. Domain specific search engine;Bhatt,2004
2. Domain specific search engines;Wöber,2006
3. Domain-specific search engines for investigating human trafficking and other illicit activities;Kejriwal,2020
4. M. Kejriwal, P. Szekely, Technology-assisted investigative search: A case study from an illicit domain, in: Extended Abstracts of the 2018 CHI Conference on Human Factors in Computing Systems, pp. 1–9.
5. Knowledge graphs for social good: an entity-centric search engine for the human trafficking domain;Kejriwal;IEEE Trans. Big Data,2017