An Abstract Introduction to the Temporal-Hierarchic Data Model (THM). - Ulrich Schiel (VLDB, 1983)

Towards multi-level and modular conceptual schema specifications. - Ulrich Schiel; António L. Furtado 001; Erich J. Neuhold; Marco A. Casanova (Inf. Syst., 1984)

Ein semantisches Datenmodell für konzeptuelle Schemata und ihre Abbildung auf interne relationale Schemata. - Ulrich Schiel (1984)

Time and Space in Information Systems. - Ulrich Schiel (TFAIS, 1985)

the Problem of Identification. - Ulrich Schiel (SIGMOD Rec., 1988)

Abstractions in semantic networks: axiom schemata for generalization, aggregation and grouping. - Ulrich Schiel (SIGART Newsl., 1989)

Using Object-Oriented Analysis and Design for Integrated Systems. - Ulrich Schiel; Ivan Mistrík (ICSI, 1990)

Redes de Petri Hierárquicas. - Ulrich Schiel (SBES, 1990)

Object Oriented Real-Time Database Design and Hierarchical Control Systems. - Maria Ligia B. Perkusich; Angelo Perkusich; Ulrich Schiel (ARTDB, 1995)

Integrated Design of Object-Oriented Real-Time Control and Database Systems. - Maria Ligia B. Perkusich; Angelo Perkusich; Ulrich Schiel (SEKE, 1995)

Visual Query Operators for Temporal Databases. - Sônia Fernandes Silva; Ulrich Schiel; Tiziana Catarci (TIME, 1997)

SIM - A System for Semi-Automatic Indexing of Multilingual Documents. - Ulrich Schiel; Ianna M. S. F. de Sousa; Edberto Ferneda (DEXA Workshop, 1999)

A Graphical Notebook as Interaction Metaphor for Querying Databases. - Sônia Fernandes Silva; Tiziana Catarci; Ulrich Schiel (SBBD, 1999)

Semi-Automatic Indexing of Multilingual Documents - Ulrich Schiel; Ianna M. S. F. de Sousa; Edberto Ferneda (CoRR, 1999)

Integrity Maintenance in Extensible Databases. - Ulrich Schiel (Database Integrity, 2002)

Easyform: A Framework to Make Web-Based Systems Easy. - Rodrigo R. Almeida; Cláudio de Souza Baptista; Francilene Procpio Garcia; Ulrich Schiel; Vitruvio S. Alencar (ICWI, 2002)

RDF na Interoperabilidade entre Domínios na Web. - Domingos S. A. Santos; Ulrich Schiel (SBES, 2002)

Formalizing visual interaction with historical databases. - Sônia Fernandes Silva; Tiziana Catarci; Ulrich Schiel (Inf. Syst., 2002)

Interactive Indexing of Documents with a Multilingual Thesaurus. - Ulrich Schiel; Ianna M. S. F. de Sousa (Effective Databases for Text & Document Management, 2003)

Database Integration Using Mobile Agents. - Philip S. Medcraft; Ulrich Schiel; Cláudio de Souza Baptista (CIA, 2003)

DIA: Data Integration Using Agents. - Philip S. Medcraft; Ulrich Schiel; Cláudio de Souza Baptista (ICEIS (1), 2003)

Semi-Automatic Indexing of Documents with a Multilingual Thesaurus. - Ulrich Schiel; Ianna M. S. F. de Sousa (RIDE, 2003)

Concurrent Transaction Frame Logic Formal Semantics for UML Activity and Class Diagrams. - Franklin Ramalho; Jacques Robin; Ulrich Schiel (WMF, 2003)

OntoEditor: A Web Tool for Manipulating Ontologies Stored in Database Servers. - Cláudio de Souza Baptista; Karine F. Vasconcelos; Ladjane S. Arruda; Ulrich Schiel; Elvis Rodrigues da Silva (DEXA Workshops, 2004)

LITO - A Logic For Indeterminate Temporal Objects. - Ed Porto Bezerra; Ulrich Schiel; Bernardo Lula Jr. (DEXA Workshops, 2004)

Querying spatio-temporal databases using a visual environment. - Valéria M. B. Cavalcanti; Ulrich Schiel; Cláudio de Souza Baptista (AVI, 2006)

Extending SOA with Semantic Mediators. - Patrício de Alencar Silva; Ulrich Schiel; Cláudia M. F. A. Ribeiro; José Eustáquio Rangel de Queiroz (SITIS, 2006)

Freebie: an open source digital library with support for textual and spatial searches. - Welmisson Jammesson da Silva; Cláudio de Souza Baptista; Ulrich Schiel; Elvis Rodrigues da Silva; Luciana Cavalcante de Menezes; Ricardo Madeira Fernandes (WebMedia, 2006)

Formalizing ontology reconciliation techniques as a basis for meaningful mediation in service-related tasks. - Patrício de Alencar Silva; Cláudia M. F. A. Ribeiro; Ulrich Schiel (PIKM, 2007)

SEI-Tur: A System Based on Composed Web-Service Discovery to Support the Creation of Trip Plans. - Ulrich Schiel; Cláudio de Souza Baptista; Ana Carolina de Jesus Maia; Fabio Gomes de Andrade (ICDS, 2007)

Applying Formal Methods in Ontology Reconciliation Techniques Design. - Patrício de Alencar Silva; Ulrich Schiel; Cláudia Maria Fernandes; Araújo Ribeiro; Rute Cardoso Drebes (iiWAS, 2007)

VideoLib: a video digital library with support to spatial and temporal dimensions. - Alex Sandro da Cunha Rego; Cláudio de Souza Baptista; Elvis Rodrigues da Silva; Ulrich Schiel; Hugo Feitosa de Figueirêdo (SAC, 2007)

Toward a Visual Query System for Spatio-Temporal Databases. - Valéria M. B. Cavalcanti; Ulrich Schiel; Cláudio de Souza Baptista (Database Technologies: Concepts, Methodologies, Tools, and Applications, 2009)

A Decision Support Methodology for the Control of Alternative Penalties - A Case-Based Reasoning Approach. - Expedito Carlos Lopes; Ulrich Schiel; Gilson Pereira dos Santos Jr. (eKNOW, 2009)

Integrating Case-based Reasoning with Evidence-based Practice for Decision Support. - Expedito Carlos Lopes; Ulrich Schiel (ICEIS (2), 2009)

Uma Extensão de Redes de Petri para Modelagem de Processos e Controle de Projetos. - Cecir Barbosa de Almeida Farias; Ulrich Schiel (SBSI, 2009)

Temporal Visual Languages. - Ulrich Schiel; Sônia Fernandes Silva (Encyclopedia of Database Systems, 2009)

Towards Multimedia Digital Libraries. - Cláudio de Souza Baptista; Ulrich Schiel (Handbook of Research on Digital Libraries, 2009)

Integrating Context into a Criminal Case-Based Reasoning Model. - Expedito Carlos Lopes; Ulrich Schiel (eKNOW, 2010)

A Conceptual Framework for the Development of Applications Centred on Context and Evidence-based Practice. - Expedito Carlos Lopes; Ulrich Schiel; Vaninha Vieira; Ana Carolina Salgado (ICEIS (3), 2010)

Using Cases, Evidences and Context to Support Decision Making. - Expedito Carlos Lopes; Vaninha Vieira; Ana Carolina Salgado; Ulrich Schiel (ICEIS, 2010)

Data Warehouse de Trajetórias: um Modelo com Suporte à Agregação por Direção dos Movimentos. - Carlos Augusto de S. Almeida; Carlos Eduardo S. Pires; Ulrich Schiel (SBSI, 2011)

A Temporal Search Engine to Improve Geographic Data Retrieval in Spatial Data Infrastructures. - Fabio Gomes de Andrade; Cláudio de Souza Baptista; Ulrich Schiel (ICEIS (1), 2012)

Construção de Mapa de Tópicos Semânticos Baseado na Integração de Fontes Heterogêneas. - José Gildo de Araújo Júnior; Ulrich Schiel; Leandro Balby Marinho (SBBD (Short Papers), 2012)

Classificação Contínua de Documentos com Vocabulários Temáticos Dinâmicos para a Desambiguação de Termos. - Adriano A. Santos; Ulrich Schiel (SBSI, 2012)

Information Retrieval from database queries. - Vladimir Soares Catão; Marcus Costa Sampaio; Ulrich Schiel (AICCSA, 2014)

Using High Level Activities Net for Learning Analytics of Instructional Design. - Isabel Dillmann Nunes; Ulrich Schiel (ICALT, 2014)

An approach for building lexical-semantic resources based on heterogeneous information sources. - José Gildo de Araújo Júnior; Ulrich Schiel; Leandro Balby Marinho (SAC, 2015)

Retrieving Documents Related to Database Queries. - Vladimir Soares Catão; Marcus Costa Sampaio; Ulrich Schiel (SOFSEM, 2015)

DaVID - A Model of Data Visualization for the Instructional Design. - Douglas Afonso Tenorio de Menezes; Diogo Lima Florencio; Renato Ely Domingues Silva; Isabel Dillmann Nunes; Ulrich Schiel; Marcus Salerno de Aquino (ICALT, 2017)

Temporal Visual Languages. - Ulrich Schiel; Sonia Leila Da Silva (Encyclopedia of Database Systems (2nd ed.), 2018)