J. Adámek, H. Herrlich, and G. Strecker, Abstract and Concrete Categories, 1990.

A. Avron, Simple consequence relations, Information and Computation, vol.92, issue.1, pp.105-140, 1991.
DOI : 10.1016/0890-5401(91)90023-U

URL : http://doi.org/10.1016/0890-5401(91)90023-u

E. Beisswanger, S. Schulz, H. Stenzhorn, and U. Hahn, BioTop: An upper domain ontology for the life sciences -a description of its current structure, contents, and interfaces to OBO ontologies, Applied Ontology, vol.3, issue.4, pp.205-212, 2008.

W. A. Carnielli, M. Coniglio, D. M. Gabbay, P. Gouveia, and C. Sernadas, Analysis and synthesis of logics: how to cut and paste reasoning systems Applied logic series, 2008.

J. David and J. Euzenat, François Scharffe, and Cássia Trojahn dos Santos. The alignment API 4, Semantic Web, pp.3-10, 2011.

R. Diaconescu, Grothendieck institutions Applied categorical structures, pp.383-402, 2002.
DOI : 10.1016/j.tcs.2003.10.030

URL : http://doi.org/10.1016/j.tcs.2003.10.030

G. Gentzen, Investigations into logical deduction The Collected Papers of Gerhard Gentzen, pp.68-213, 1969.

J. Goguen and G. Rosu, Institution morphisms. Formal aspects of computing, pp.274-307, 2002.
DOI : 10.1007/s001650200013

J. A. Goguen and R. M. Burstall, Institutions: abstract model theory for specification and programming, Predecessor in, pp.95-146, 1984.
DOI : 10.1145/147508.147524

A. Joseph, W. Goguen, and . Tracz, An implementation-oriented semantics for module composition, Foundations of Component- Based Systems, pp.231-263, 2000.

S. Guerra, Composition of Default Specifications, Journal of Logic and Computation, vol.11, issue.4, pp.559-578, 2001.
DOI : 10.1093/logcom/11.4.559

I. Horrocks, O. Kutz, and U. Sattler, The Even More Irresistible SROIQ, Proc. of the 10th Int. Conf. on Principles of Knowledge Representation and Reasoning (KR2006), pp.57-67, 2006.

B. Konev, C. Lutz, D. Walther, and F. Wolter, Formal properties of modularization, Ontology Modularization, 2008.

O. Kutz and T. Mossakowski, Conservativity in Structured Ontologies, 18th European Conf. on Artificial Intelligence (ECAI-08), 2008.

O. Kutz, T. Mossakowski, and D. Lücke, Carnap, Goguen, and the Hyperontologies: Logical Pluralism and Heterogeneous Structuring in Ontology Design, Logica Universalis, vol.31, issue.1, pp.255-333, 2010.
DOI : 10.1007/s11787-010-0020-3

O. Kutz, I. Normann, T. Mossakowski, and D. Walther, Chinese Whispers and Connected Alignments, Proc. of the 5th International Workshop on Ontology Matching (OM-2010), 9th International Semantic Web Conference ISWC-2010, 2010.

C. Lange, T. Mossakowski, and O. Kutz, LoLa: A Modular Ontology of Logics, Languages, and Translations, Modular Ontologies, number 875 in CEUR Workshop Proceedings

C. Lutz, D. Walther, and F. Wolter, Conservative Extensions in Expressive Description Logics, Proceedings of IJCAI-07, pp.453-458, 2007.

C. Lutz and F. Wolter, Deciding inseparability and conservative extensions in the description logic <mml:math altimg="si1.gif" display="inline" overflow="scroll" xmlns:xocs="http://www.elsevier.com/xml/xocs/dtd" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.elsevier.com/xml/ja/dtd" xmlns:ja="http://www.elsevier.com/xml/ja/dtd" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:tb="http://www.elsevier.com/xml/common/table/dtd" xmlns:sb="http://www.elsevier.com/xml/common/struct-bib/dtd" xmlns:ce="http://www.elsevier.com/xml/common/dtd" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:cals="http://www.elsevier.com/xml/common/cals/dtd"><mml:mi mathvariant="script">E</mml:mi><mml:mi mathvariant="script">L</mml:mi></mml:math>, Journal of Symbolic Computation, vol.45, issue.2, pp.194-228, 2010.
DOI : 10.1016/j.jsc.2008.10.007

S. Mac and L. , Categories for the Working Mathematician, 1998.

C. Masolo, S. Borgo, A. Gangemi, N. Guarino, and A. Oltramari, Ontology library, WonderWeb Deliverable Laboratory for Applied Ontology ? ISTC- CNR, vol.18, 2003.

J. Mccarthy, Circumscription???A form of non-monotonic reasoning, Artificial Intelligence, vol.13, issue.1-2, pp.27-39, 1980.
DOI : 10.1016/0004-3702(80)90011-9

J. Meseguer, General logics North Holland, 1989. 26. T. Mossakowski. HetCASL -Heterogeneous Specification. Language Summary, Logic Colloquium 87, pp.275-329, 2004.

T. Mossakowski and O. Kutz, The Onto-Logical Translation Graph, Modular Ontologies?Proceedings of the Fifth International Workshop, pp.94-109, 2011.

T. Mossakowski, C. Lange, and O. Kutz, Three Semantics for the Core of the Distributed Ontology Language, FOIS 2012: 7th International Conference on Formal Ontology in Information Systems, pp.337-352

T. Mossakowski, C. Maeder, and K. Lüttich, The Heterogeneous Tool Set, Hets, TACAS 2007, pp.519-522, 2007.
DOI : 10.1007/978-3-540-71209-1_40

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.67.5472

T. Mossakowski and A. Tarlecki, Heterogeneous Logical Environments for Distributed Specifications, Lecture Notes in Computer Science, vol.9, issue.2, pp.266-289, 2008.
DOI : 10.1007/3-540-61629-2_59

G. Ro¸suro¸su and J. Goguen, Composing hidden information modules over inclusive institutions From Object-Orientation to Formal Methods. Essays in Memory of, Lecture Notes in Computer Science, vol.2635, pp.96-123, 2004.

D. Sannella and A. Tarlecki, Specifications in an arbitrary institution, Information and Computation, vol.76, issue.2-3, pp.165-210, 1988.
DOI : 10.1016/0890-5401(88)90008-9

URL : http://doi.org/10.1016/0890-5401(88)90008-9

D. Sannella and A. Tarlecki, Foundations of Algebraic Specification and Formal Software Development. EATCS Monographs on theoretical computer science, 2012.

D. Scott, Rules and Derived Rules, Logical Theory and Semantic Analysis, pp.147-161, 1974.
DOI : 10.1007/978-94-010-2191-3_13

B. Smith, B. Ceusters, J. Klagges, A. Kohler, J. Kumar et al., Relations in biomedical ontologies, Genome Biology, vol.6, issue.5, p.46, 2005.
DOI : 10.1186/gb-2005-6-5-r46

A. Tarlecki, Towards heterogeneous specifications, Frontiers of Combining Systems Studies in Logic and Computation, pp.337-360, 1998.

A. Zimmermann, M. Krötzsch, J. Euzenat, and P. Hitzler, Formalizing Ontology Alignment and its Operations with Category Theory, Proceedings of the Fourth International Conference on Formal Ontology in Information Systems, pp.277-288, 2006.
URL : https://hal.archives-ouvertes.fr/hal-00825949