Mao, H. The relationships between context constructions and matroids. (English) Zbl 1349.68060 Acta Univ. Apulensis, Math. Inform. 41, 89-105 (2015). MSC: 68P15 05B35 06C10 68P05 PDF BibTeX XML Cite \textit{H. Mao}, Acta Univ. Apulensis, Math. Inform. 41, 89--105 (2015; Zbl 1349.68060)
Mao, H. Object oriented concept lattices constrained by hierarchically ordered attributes. (English) Zbl 1340.68163 Acta Univ. Apulensis, Math. Inform. 38, 131-141 (2014). MSC: 68T30 PDF BibTeX XML Cite \textit{H. Mao}, Acta Univ. Apulensis, Math. Inform. 38, 131--141 (2014; Zbl 1340.68163)