Relational Galois Connections -- Semantology as Basis for Conceptual Knowledge Processing -- A New and Useful Syntactic Restriction on Rule Semantics for Tabular Datasets -- A Proposal for Combining Formal Concept Analysis and Description Logics for Mining Relational Data -- Computing Intensions of Digital Library Collections -- Custom Asymmetric Page Split Generalized Index Search Trees and Formal Concept Analysis -- The Efficient Computation of Complete and Concise Substring Scales with Suffix Trees -- A Parameterized Algorithm for Exploring Concept Lattices -- About the Lossless Reduction of the Minimal Generator Family of a Context -- Some Notes on Pseudo-closed Sets -- Performances of Galois Sub-hierarchy-building Algorithms -- Galois Connections Between Semimodules and Applications in Data Mining -- On Multi-adjoint Concept Lattices: Definition and Representation Theorem -- Base Points, Non-unit Implications, and Convex Geometries -- Lattices of Relatively Axiomatizable Classes -- A Solution of the Word Problem for Free Double Boolean Algebras -- On the MacNeille Completion of Weakly Dicomplemented Lattices -- Polynomial Embeddings and Representations -- The Basic Theorem on Labelled Line Diagrams of Finite Concept Lattices -- Bipartite Ferrers-Graphs and Planar Concept Lattices.