Adapting Clinical Ontologies in Real-World Environments (2009)
Holger Stenzhorn, Stefan Schulz, Martin Boeker, Barry Smith
Abstract: The desideratum of semantic interoperability has been intensively discussed in medical informatics circles in recent years. Originally, experts assumed that this issue could be sufficiently...
BMC Medical Informatics and Decision Making (2009)
Biomed Central, Stefan Schulz, Kornél Markó, Boontawee Suntisrivaraporn
Proceedings Formal representation of complex SNOMED CT expressions
BioTop and ChemTop – Top-Domain Ontologies for Biology and Chemistry (2009)
Holger Stenzhorn, Stefan Schulz, Elena Beißwanger, Udo Hahn, László Van Den Hoek, Erik Van Mulligen
University Language and
SNOMED CT’s Ontological Commitment (2009)
SNOMED CT is a clinical terminology that describes the meaning of terms by logical axioms. This requires an ontological commitment, i.e. precise agreements about the ontological nature of the...
BMC Medical Informatics and Decision Making (2009)
SNOMED CT – advances in concept mapping, retrieval, and ontological foundations. Selected contributions to the Semantic
Leukocyte Recruitment, Focal Ischemia, Volker Höllt, Stefan Schulz
The chemoattractant stromal cell-derived factor-1 (SDF-1) and its receptor CXC chemokine receptor 4 (CXCR4) are key modulators of immune function. In the developing brain, SDF-1 is crucial for...
Alignment of the UMLS semantic network with BioTop: methodology and assessment (2009)
Schulz, Stefan, Beisswanger, Elena, Van Den Hoek, László, Bodenreider, Olivier, Van Mulligen, Erik M.
Motivation: For many years, the Unified Medical Language System (UMLS) semantic network (SN) has been used as an upper-level semantic framework for the categorization of terms from terminological...
Frederico Freitas, Stefan Schulz, Eduardo Moraes
This paper provides a survey of the state of the art in terminologies and ontologies applied to Biology and Medicine. Not intending to be fully comprehensive, we describe some of the most relevant...
Stefan Schulz, Holger Stenzhorn, Martin Boeker, Barry Smith
We propose a typology of representational artifacts for health care and life sciences domains and associate this typology with different kinds of formal ontology and logic, drawing conclusions as to...
Cross-Language Mining for Acronyms and their Completions from the Web (2008)
Udo Hahn, Stefan Schulz, Kornél Markó
We propose a method that aligns biomedical acronyms and their long-form definitions across different languages. We use a freely available search and extraction tool by which abbreviations, together...
Marquardt, Oliver, Mourad, Daniel, Schulz, Stefan, Hickel, Tilmann, Czycholl, Gerd, Neugebauer, Jörg
In this work we present a comparison of multiband k.p-models, the effective bond-orbital approach, and an empirical tight-binding model to calculate the electronic structure for the example of a...
Formal representation of complex SNOMED CT expressions (2008)
Schulz, Stefan, Markó, Kornél, Suntisrivaraporn, Boontawee
Abstract Background Definitory expressions about clinical procedures, findings and diseases constitute a major benefit of a formally founded clinical reference terminology which is ontologically...
Category: Databases and Ontologies The Ontology of Biological Taxa (2008)
Stefan Schulz, Holger Stenzhorn, Martin Boeker
Motivation: The classification of biological entities in terms of species and taxa is an important endeavor in biology. Although a large amount of statements encoded in current biomedical ontologies...
Quality Criteria for Electronic Publications in Medicine (2008)
Stefan Schulz, Rüdiger Klar, Thomas Auhuber, Ulrich Schrader (abteilung Medizinische Informatik, Universität Freiburg
This catalogue of quality criteria for electronic publications in medicine was elaborated by the working group "CBT " of the German Society of Medical Informatics, Biometry and...
Language Specific and Topic Focused Web Crawling (2008)
Olena Medelyan, Stefan Schulz, Jan Paetzold, Michael Poprat, Kornél Markó
The Web has been successfully explored as training and test corpus for a variety of NLP tasks ([8], [2], [6]). However, corpora derived from the Web are usually inconsistent and highly heterogeneuos...
Ten Theses on Clinical Ontologies (2008)
Stefan Schulz, Holger Stenzhorn
Abstract: We present ten principles for clinical ontologies that describe the authors ’ opinion about what should be understood by the notion of clinical ontologies and what not. In contrast to...
Language Specific and Topic Focused Web Crawling (2008)
Olena Medelyan, Stefan Schulz, Jan Paetzold, Michael Poprat, Kornél Markó
We describe an experiment on collecting large language and topic specific corpora automatically by using a focused Web crawler. Our crawler combines efficient crawling techniques with a common text...
Clinical Ontologies Interfacing the Real World (2008)
Stefan Schulz, Holger Stenzhorn, Martin Boeker, Rüdiger Klar, Barry Smith
Abstract: The desideratum of semantic interoperability has been intensively discussed in medical informatics circles in recent years. Originally it was assumed by many that this issue could be...
A Medical Multilingual Information Retrieval (2008)
Edson José Pacheco, Percy Nohama, Stefan Schulz, Kornél Markó
Abstract. The Web is full of documents and resources. Users employ different strategies to find information they need: by browsing, using search engines, by following existing categories in a Web...
Unsupervised Multilingual Word Sense Disambiguation via an Interlingua (2008)
www.imbi.uni-freiburg.de/medinf We present an unsupervised method for resolving word sense ambiguities in one language by using statistical evidence assembled from other languages. It is crucial for...
“Lmo-2 interacts with Elf-2” On the Meaning of Common Statements in Biomedical Literature (2008)
Statements about the behavior of biological entities, e.g. about the interaction between two proteins, abound in the literature on molecular biology and are increasingly becoming the targets of...
The Monist 90:4 (2007) Continua in Biological Systems (2008)
Stefan Schulz, Ingvar Johansson
We defend the fundamental ontological-pragmatic principle that often where there are continua in reality, science is forced to make partly fiat terminological delimitations. In particular, this...
Enabling the Application of Open Systems Like PCs for Online Voting (2008)
Melanie Volkamer, Ammar Alkassar, Ahmad-reza Sadeghi, Stefan Schulz, Sirrix Ag
Abstract. An increasing number of elections have been performed using Online Voting. Due to these experiences, the technical research topics have changed: While voting protocols have been well...
Anders Kofod-petersen, Jörg Cassens, David B. Leake, Stefan Schulz, Anders Kofod-petersen, Jörg Cassens, ...
granted for educational or research use on condition that this copyright notice is included in any copy.
Prof Dr, Hasso Plattner, Responsible Dr. Alexander Zeier, Vadym Borovskiy, Jens Krüger, Jürgen Müller, ...
These lecture notes accompany Prof. Hasso Platter’s lecture "Trends and Concepts in the Software Industry 2007". They are the result of a huge collaborative effort carried out...
Enhancing Grid Security Using Trusted (2008)
Hans Löhr, Harigovind V. Ramasamy, Ahmad-reza Sadeghi, Stefan Schulz, Matthias Schunter, Christian Stüble
Grid applications have increasingly sophisticated functional and security requirements. However, current techniques mostly protect only the resource provider from attacks by the user, while leaving...
Cross-Lingual Alignment of Medical Lexicons (2008)
Kornél Markó, Robert Baud, Pierre Zweigenbaum, Magnus Merkel, Maria Toporowska-gronostaj, Dimitrios Kokkinakis, ...
We present an approach for the creation of a multilingual medical dictionary for the biomedical domain. In a first step, available monolingual lexical resources are compiled into a common interchange...
Towards a Computational Paradigm for Biomedical Structure (2008)
The symbolic representation of the physical structure of living organisms needs an ontologically well-founded and logically sound approach so that formal reasoning can adequately be supported. We...
Bodor, Agnes, Elxnat, Bettina, Thiel, Verena, Schulz, Stefan, Wagner-Döbler, Irene
Abstract Background The autoinducer-2 (AI-2) group of signalling molecules are produced by both Gram positive and Gram negative bacteria as the by-product of a metabolic transformation carried out by...
Named Entity or Entity Name? (2008)
The expression ââ¬Ånamed entityââ¬Â is very fuzzy and its definitions partly contradictory. Semantic subtleties involving the words ââ¬Åentityââ¬Â,...
The ontology of biological taxa (2008)
Schulz, Stefan, Stenzhorn, Holger, Boeker, Martin
Motivation: The classification of biological entities in terms of species and taxa is an important endeavor in biology. Although a large amount of statements encoded in current biomedical ontologies...
Udo Hahn, Martin Romacker, Stefan Schulz
The automatic analysis of medical full-texts currently suffers from neglecting text coherence phenomena such as reference relations between discourse units. This has unwarranted effects on the...
A Natural Language Understanding System for Knowledge-Based Analysis of Medical Texts (2007)
Martin Romacker, Klemens Schnattinger, Udo Hahn, Stefan Schulz, Rudiger Klar
Summary: An approach to knowledge-based understanding of real-world texts from the medical domain (viz. gastro-intestinal findings) is presented. We survey major methodological features of an...
CONTROL AND SIGNAL PROCESSING CONCEPTS FOR A (2007)
Multifunctional Hand Prosthesis, Markus Reischl, Ralf Mikut, Christian Pylatiuk, Stefan Schulz
The loss of an arm means drastic reduction of live quality for affected people. To compensate the lost live quality myoelectric hand prostheses have been developed, that can be controlled by muscle...
Stefan Schulz, Department Of Medical Informatics, C. J. Wroe, R. Stevens, C. A. Goble
The need for semantically precise domain descriptions has given raise to an increasing number of so-called bio-ontologies covering different fields of biology and medicine. Examples are the...
Electronic and Optical Properties of Quantum Dots: A Tight-Binding Approach (2007)
Semiconductor quantum dots (QDs) are of great topical interest due to the possibility to study basic quantum phenomena and their potential for novel applications. Here, the electronic and optical...
Spatial location and its relevance for terminological inferences in bio-ontologies (2007)
Schulz, Stefan, Markó, Kornél, Hahn, Udo
Abstract Background An adequate and expressive ontological representation of biological organisms and their parts requires formal reasoning mechanisms for their relations of physical aggregation and...
Iacopi, Francesca ; JFA; CORA, Beyer, Gerald, Travaly, Youssef, Waldfried, Carlo, Gage, David M, Dauskardt, Reinhold, ...
Replacing SEPtriplets in SNOMED CT using tractable description logic operators (2007)
Boontawee Suntisrivaraporn, Franz Baader, Stefan Schulz, Kent Spackman
Abstract. Reification of parthood relations according to the SEP-triplet encoding pattern has been employed in the clinical terminology SNOMED CT to simulate transitivity of the part-of relation via...
Throughout the 20th century numerous explanations for crime and deviance have emerged that have been offered as better explanations than other theories and perspectives. Yet, the impact of...
Enhancing grid security using trusted virtualization (2006)
Hans Löhr, Harigovind V. Ramasamy, Ahmad-reza Sadeghi, Stefan Schulz, Matthias Schunter, Christian Stüble
Abstract. Grid applications have increasingly sophisticated functional and security requirements. However, current techniques mostly protect only the resource provider from attacks by the user, while...
Iacopi, Francesca, Beyer, Gerald, Houthoofd, Kristof; U0041107 ;, Adriaensens, Peter, Waldfried, Carlo, Demuynck, Steven, ...
Tight-Binding model for semiconductor nanostructures (2005)
Schulz, Stefan, Czycholl, Gerd
An empirical $s_cp^3_a$ tight-binding (TB) model is applied to the investigation of electronic states in semiconductor quantum dots. A basis set of three $p$-orbitals at the anions and one...
CXCR4 and Gab1 cooperate to control the development of migrating muscle progenitor cells (2005)
Vasyutina, Elena, Stebler, Jürg, Brand-Saberi, Beate, Schulz, Stefan, Raz, Erez, Birchmeier, Carmen
Long-range migrating progenitor cells generate hypaxial muscle, for instance the muscle of the limbs, hypoglossal cord, and diaphragm. We show here that migrating muscle progenitors express the...
Eine neue Adaptiv-Hand-Prothese auf der Basis flexibler Fluidaktoren / (2004)
Thesis (doctoral) - Univ., Karlsruhe, 2003.
Crossing Languages in Text Retrieval via an Interlingua (2004)
Udo Hahn Korn, Udo Hahn, Kornél Markó, Michael Poprat, Stefan Schulz, Joachim Wermter, ...
We introduce an interlingua-based approach to cross-language information retrieval, in which queries, as well as documents, are mapped onto a language-independent concept layer on which retrieval...
Interlingual Indexing across Different Languages (2004)
Korn El Mark, Kornél Markó, Udo Hahn, Stefan Schulz, Percy Nohama
We present two methods for automatic indexing, which are based on an interlingual layer of content description. In the first approach, we acquire indexing patterns from English documents by...
Crossing languages in text retrieval via an interlingua (2004)
Udo Hahn, Kornél Markó, Michael Poprat, Stefan Schulz, Joachim Wermter, Percy Nohama
We introduce an interlingua-based approach to cross-language information retrieval, in which queries, as well as documents, are mapped onto a language-independent concept layer on which retrieval...
Using Cross-Lingual Information to Cope with Underspecification in Formal Ontologies (2003)
Werner Ceusters, Ignace Desimpel, Barry Smith, Stefan Schulz
Description logics and other formal devices are frequently used as means for preventing or detecting mistakes in ontologies. Some of these devices are also capable of inferring the existence of...
Die von 1754 - 1838 in Wien geführte ethische Diskussion um die so genannte schwere Geburt wird in dieser Arbeit aus den Publikationen der Wiener geburtshilflichen Lehrer rekonstruiert. In dieser...
Biomedical text retrieval in languages with a complex morphology (2002)
Stefan Schulz, Martin Honeck, Udo Hahn
Document retrieval in languages with a rich and complex morphology – particularly in terms of derivation and (single-word) composition – suffers from serious performance degradation with the...
Creating knowledge repositories from biomedical reports: The medsyndikate text mining system (2002)
Udo Hahn, Martin Romacker, Stefan Schulz
MEDSYNDIKATE is a natural language processor for automatically acquiring knowledge from medical finding reports. The content of these documents is transferred to formal representation structures...
Creating knowledge repositories from biomedical reports: The medsyndikate text mining system (2002)
Udo Hahn, Martin Romacker, Stefan Schulz
MEDSYNDIKATE is a natural language processor for automatically acquiring knowledge from medical finding reports. The content of these documents is transferred to formal representation structures...
Bochum, Univ., Habil.-Schr., 2002.
Magdeburg, Univ., Habil.-Schr., 2002.
Enth. 10 Sonderabdr. aus verschiedenen Zeitschr. und Publ., Text engl.
Interaktive Lageregelung zur Erdbeobachtung mit Mikrosatelliten am Beispiel DLR-TUBSAT / (2001)
Thesis (doctoral)--Technische Universität, Berlin, 2001.
Medizinische Probleme der deutschen Wehrmacht während des Krieges auf dem Balkan 1941 / (1999)
Schulz, Stefan., Universität Freiburg Im Breisgau.
Thesis (doctoral)--Albert-Ludwigs-Universität Freiburg im Breisgau, 1999.
CBR-Works - a state-of-the-art shell for case-based application building (1999)
Abstract. Nowadays, a proper tool for Case-Based Reasoning has to fulfill a wide range of tasks beyond simple retrieval. This paper gives a brief overview of the abilities and features of the tool...
Stefan Schulz, Martin Romacker, Giovanni Faggioli, Udo Freiburg, Udo Hahn
this paper does exactly this. It provides a formally solid description logics framework with a modeling extension so that both taxonomic and partonomic reasoning are supported equally well. While...
Düsseldorf, Univ., Diss., 1998.
Pattern-based code generation for well-defined application domains (1998)
Frank Heister, Jan Peter Riegel, Martin Schuetze, Stefan Schulz, Gerhard Zimmermann
Design patterns are commonly understood as describing approved solutions to problems in a certain context. Although patterns raise the abstraction level of program design, the implementation is still...
An Ontological Engineering Methodology for Part-Whole Reasoning in Medicine (1998)
Udo Hahn, Stefan Schulz, Martin Romacker
Part-whole relationships are fundamental ontological categories for medical reasoning. Part-whole modeling, however, still provides no conclusive methodology for adequate representations. We propose...
122 pages
Schulz, Stefan, Nyce, Jonathan W.
Dehydroepiandrosterone sulfate (DHEAS) is the most abundant adrenal steroid with apparent anticarcinogenic properties. Given our recent ohservation of the dehydroepiandrosterone-medlated inhibition...
Heidelberg, Univ., Diss., 1990 (Nicht für den Austausch).
Berlin, Akad. für Ärztl. Fortbildung d. DDR, Diss. A, 1988 (Nicht f.d. Austausch).
Die Chemie der Duftorgane männlicher Lepidopteren. (1987)
Hamburg, Univ., Diss., 1987.
Hannover, Med. Hochsch., Diss., 1982 (Nicht f.d. Austausch).
Aus: Chemie-Ingenieur-Technik. Jg. 40. 1968, H. 23. Vollständige maschinenschriftlich vervielfältigte Ausgabe angezeigt U 68.12858
Die Optimierung von Kugelmühlen durch kinetische Analyse des Mahlvorganges. (1968)
München, T. H., F. f. Maschinenw. u. Elektrotechnik, Diss. v. 15. Febr. 1968 (Nicht f. d. Aust.).
Berlin, Veterinärmed. F., Diss. v. 16. Juni 1949 (Nicht f. d. Austausch).
Köster, Anja, Montkowski, Alexandra, Schulz, Stefan, Stübe, Eva-Maria, Knaudt, Kristina, Jenck, Francois, ...
The neuropeptide orphanin FQ (also known as nociceptin; OFQ/N) has been implicated in modulating stress-related behavior. OFQ/N was demonstrated to reverse stress-induced analgesia and possess...
Schulz, Stefan, Mayer, Dana, Pfeiffer, Manuela, Stumm, Ralf, Koch, Thomas, Höllt, Volker
Morphine is a poor inducer of μ-opioid receptor (MOR) internalization, but a potent inducer of cellular tolerance. Here we show that, in contrast to full agonists such as...
CXCR4 and Gab1 cooperate to control the development of migrating muscle progenitor cells
Vasyutina, Elena, Stebler, Jürg, Brand-Saberi, Beate, Schulz, Stefan, Raz, Erez, Birchmeier, Carmen
Long-range migrating progenitor cells generate hypaxial muscle, for instance the muscle of the limbs, hypoglossal cord, and diaphragm. We show here that migrating muscle progenitors express the...
Bruhn, Jesper Bartholin, Nielsen, Kristian Fog, Hjelm, Mette, Hansen, Michael, Bresciani, José, Schulz, Stefan, ...
Roseobacter strain 27-4 has been isolated from a turbot larval rearing unit and is capable of reducing mortality in turbot egg yolk sac larvae. Here, we demonstrate that the supernatant of...
Logic-based Remodeling of the Digital Anatomist Foundational Model
This paper describes a development cycle for the engineering of large knowledge bases: A graphical tool is used for editing and the content is transformed into a logic-based representation language....
Cross-language MeSH Indexing using Morpho-Semantic Normalization
Markó, Kornél, Daumke, Philipp, Schulz, Stefan, Hahn, Udo
We consider three alternative procedures for the automatic indexing of medical documents using MeSH thesaurus identifiers as target units (document descriptors). Rather than considering complete...
Köster, Anja, Montkowski, Alexandra, Schulz, Stefan, Stübe, Eva-Maria, Knaudt, Kristina, Jenck, Francois, ...
The neuropeptide orphanin FQ (also known as nociceptin; OFQ/N) has been implicated in modulating stress-related behavior. OFQ/N was demonstrated to reverse stress-induced analgesia and possess...
Schulz, Stefan, Mayer, Dana, Pfeiffer, Manuela, Stumm, Ralf, Koch, Thomas, Höllt, Volker
Morphine is a poor inducer of μ-opioid receptor (MOR) internalization, but a potent inducer of cellular tolerance. Here we show that, in contrast to full agonists such as...
CXCR4 and Gab1 cooperate to control the development of migrating muscle progenitor cells
Vasyutina, Elena, Stebler, Jürg, Brand-Saberi, Beate, Schulz, Stefan, Raz, Erez, Birchmeier, Carmen
Long-range migrating progenitor cells generate hypaxial muscle, for instance the muscle of the limbs, hypoglossal cord, and diaphragm. We show here that migrating muscle progenitors express the...
Bruhn, Jesper Bartholin, Nielsen, Kristian Fog, Hjelm, Mette, Hansen, Michael, Bresciani, José, Schulz, Stefan, ...
Roseobacter strain 27-4 has been isolated from a turbot larval rearing unit and is capable of reducing mortality in turbot egg yolk sac larvae. Here, we demonstrate that the supernatant of...
Logic-based Remodeling of the Digital Anatomist Foundational Model
This paper describes a development cycle for the engineering of large knowledge bases: A graphical tool is used for editing and the content is transformed into a logic-based representation language....
Cross-language MeSH Indexing using Morpho-Semantic Normalization
Markó, Kornél, Daumke, Philipp, Schulz, Stefan, Hahn, Udo
We consider three alternative procedures for the automatic indexing of medical documents using MeSH thesaurus identifiers as target units (document descriptors). Rather than considering complete...
Towards a Multilingual Medical Lexicon
Markó, Kornél, Baud, Robert, Zweigenbaum, Pierre, Borin, Lars, Merkel, Magnus, Schulz, Stefan
We present results of the collaboration of a multinational team of researchers from (computational) linguistics, medicine, and medical informatics with the goal of building a multilingual medical...
Towards an Upper-Level Ontology for Molecular Biology
Schulz, Stefan, Beisswanger, Elena, Wermter, Joachim, Hahn, Udo
There is a growing need for the general-purpose description of the basic ontological entities in the life sciences domain. Up until now, upper-level models are mainly purpose-driven, such as the...
Multilingual Biomedical Dictionary
Daumke, Philipp, Markó, Kornél, Poprat, Michael, Schulz, Stefan
We present a unique technique to create a multilingual biomedical dictionary, based on a methodology called Morpho-Semantic indexing. Our approach closes a gap caused by the absence of free available...
A CLIR Interface to a Web Search Engine
Daumke, Philipp, Schulz, Stefan, Markó, Kornél
Medical document retrieval presents a unique combination of challenges for the design and implementation of retrieval engines. We introduce a method to meet these challenges by implementing a...
How to Distinguish Parthood from Location in Bio-Ontologies
Schulz, Stefan, Daumke, Philipp, Smith, Barry, Hahn, Udo
The pivotal role of the relation part-of in the description of living organisms is widely acknowledged. Organisms are open systems, which means that in contradistinction to mechanical artifacts they...
Sztajer, Helena, Lemme, André, Vilchez, Ramiro, Schulz, Stefan, Geffers, Robert, Yip, Cindy Ying Yin, ...
Autoinducer 2 (AI-2) is the only species-nonspecific autoinducer known in bacteria and is produced by both gram-negative and gram-positive organisms. Consequently, it is proposed to function as a...
Seed odor mediates an obligate ant–plant mutualism in Amazonian rainforests
Youngsteadt, Elsa, Nojima, Satoshi, Häberlein, Christopher, Schulz, Stefan, Schal, Coby
Seed dispersal mutualisms are essential for the survival of diverse plant species and communities worldwide. Among invertebrates, only ants have a major role in seed dispersal, and thousands of plant...
Controlled Evaluation of a Computer-Based Atlas of Histopathology
Schulz, Stefan, Auhuber, Thomas, Schrader, Ulrich, Klar, Rüdiger
Automatic Import and Manual Refinement of Medical Knowledge
Schulz, Stefan, Faggioli, Giovanni, Romacker, Martin, Hahn, Udo
PILLS: A Multilingual Authoring System for Patient Information
Scott, Donia, Bouayad-Agha, Nadjet, Power, Richard, Schulz, Stefan, Beck, Rainer, Murphy, Dawn, ...
A knowledge representation view on biomedical structure and function.
In biomedical ontologies, structural and functional considerations are of outstanding importance, and concepts which belong to these two categories are highly interdependent. At the representational...
The German specialist lexicon.
Weske-Heck, Gesa, Zaiss, Albrecht, Zabel, Matthias, Schulz, Stefan, Giere, Wolfgang, Schopen, Michael, ...
The German language and in particular biomedical terms exhibit a rich and productive morphology. Beyond inflection and comparison forms frequently spelling variants, German - Greek/Latin synonyms and...
MORPHOSAURUS: Crosslingual Medical Text Retrieval by Subword Indexing
Schulz, Stefan, Klar, Rüdiger, Hahn, Udo, Romacker, Martin, Nohama, Percy, Matias, Lúcio J. Dias
Boeker, Martin, Stenzhorn, Holger, Kumpf, Kai, Bijlenga, Philippe, Schulz, Stefan, Hanser, Susanne
The @neurIST ontology is currently under development within the scope of the European project @neurIST intended to serve as a module in a complex architecture aiming at providing a better...
Evaluation of a Document Search Engine in a Clinical Department System
Schulz, Stefan, Daumke, Philipp, Fischer, Pascal, Müller, Marcel
MorphoSaurus, a concept-based document search engine, was incorporated into an EHR system in order to support search across the whole corpus of patient discharge letters and other clinically relevant...
Alignment of the UMLS semantic network with BioTop: methodology and assessment
Schulz, Stefan, Beisswanger, Elena, Van Den Hoek, László, Bodenreider, Olivier, Van Mulligen, Erik M.
Motivation: For many years, the Unified Medical Language System (UMLS) semantic network (SN) has been used as an upper-level semantic framework for the categorization of terms from terminological...
The ontology of biological taxa
Schulz, Stefan, Stenzhorn, Holger, Boeker, Martin
Motivation: The classification of biological entities in terms of species and taxa is an important endeavor in biology. Although a large amount of statements encoded in current biomedical ontologies...