FCA_Retrieval: A Multi-operator Algorithm for Information Retrieval from Binary Concept Lattice Fethi Fkih author Mohamed Nazih Omri author 2018-1–3 dec text Proceedings of the 32nd Pacific Asia Conference on Language, Information and Computation Stephen Politzer-Ahles editor Yu-Yin Hsu editor Chu-Ren Huang editor Yao Yao editor Association for Computational Linguistics Hong Kong conference publication fkih-omri-2018-fca https://aclanthology.org/Y18-1019/ 2018-1–3 dec