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Learning Ontology Relations by Combining Corpus-Based Techniques and Reasoning on Data from Semantic Web Sources
| Learning Ontology Relations by Combining Corpus-Based Techniques and Reasoning on Data from Semantic Web Sources |
| Autore | Wohlgenannt Gerhard |
| Edizione | [First edition.] |
| Pubbl/distr/stampa | Frankfurt am Main : , : Peter Lang GmbH, Internationaler Verlag der Wissenschaften, , 2011 |
| Descrizione fisica | 1 online resource (222 pages) |
| Collana | Forschungsergebnisse der Wirtschaftsuniversitaet Wien |
| Soggetto topico |
Social ethics - Information technology
Business enterprises Computer software |
| Soggetto non controllato |
Based
Combining Corpus Data from Learning machine learning natural language learning Ontology Reasoning relation labeling Relations Semantic Sources Techniques Wohlgenannt |
| ISBN | 3-631-75384-5 |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Cover -- 1 Introduction -- 2 The Semantic Web -- 2.1 Overview -- 2.1.1 Background and Vision -- 2.1.2 Features -- 2.1.3 Misconceptions and Criticism -- 2.2 Applications -- 3 Ontologies -- 3.1 Fundamentals -- 3.1.1 Purpose -- 3.1.2 Structure and Entities -- 3.1.3 Ontology Research Fields -- 3.2 Representation -- 3.2.1 Resource Description Framework -- 3.2.2 RDF Schema -- 3.2.3 Web Ontology Language -- 3.3 Querying and Reasoning -- 3.3.1 SPARQL and RDQL -- 3.3.2 Reasoning with Jena -- 3.3.3 Redland -- 3.4 Public Datasets and Ontologies -- 3.4.1 DBpedia -- 3.4.2 Freebase -- 3.4.3 OpenCyc -- 4 Methodology -- 4.1 Ontology Learning -- 4.2 Methods for Learning Semantic Associations -- 4.2.1 Natural Language Processing Techniques -- 4.2.2 Lexico-syntactic Patterns -- 4.2.3 Relevant Statistical and Information Retrieval Measures and Methods -- 4.2.4 Machine Learning Paradigms -- 4.3 Literature Review -- 4.3.1 Domain Text and Semantic Associations -- 4.3.2 The Web and Semantic Associations -- 4.3.3 Domain Text and Linguistic Patterns -- 4.3.4 The Web and Linguistic Patterns -- 4.3.5 Semantic Web Data and Reasoning -- 4.3.6 Selected Work from SemEval2007 -- 4.3.7 Learning of Qualia Structures -- 4.4 webLyzard Ontology Learning System -- 4.4.1 System Overview -- 4.4.2 Major Components of the Framework -- 4.4.3 Identification of the Most Relevant Concepts -- 4.4.4 Concept Positioning and Taxonomy Discovery -- 4.5 A Novel Method to Detect Relations -- 4.5.1 Relation Labeling Based on Vector Space Similarity -- 4.5.2 Ontological Restrictions and Integration of External Knowledge -- 4.5.3 The Knowledge Base -- 4.5.4 A Hybrid Method for Relation Labeling -- 4.5.5 Integration of User Feedback -- 4.6 Implementation of the Method -- 4.6.1 Training -- 4.6.2 Compute Vector Space Similarities -- 4.6.3 Ontological Restrictions and Concept Grounding -- 4.6.4 Scarlet.
4.6.5 Evaluation -- 5 Results and Evaluation -- 5.1 Domain Relations and Domain Corpus -- 5.2 Evaluation of the Vector Space Model -- 5.2.1 Evaluation Baselines -- 5.2.2 Configuration Parameters -- 5.2.3 Average Ranking Precision -- 5.2.4 First Guess Correct -- 5.2.5 Second Guess Correct -- 5.3 Concept Grounding -- 5.4 Scarlet -- 5.5 Evaluation of Integrated Data Sources -- 5.5.1 Average Ranking Precision -- 5.5.2 First Guess Correct -- 5.5.3 Second Guess Correct -- 5.5.4 Individual Predicates -- 5.5.5 Summary and Interpretation -- 6 Conclusions and Outlook -- Bibliography. |
| Record Nr. | UNINA-9910297042203321 |
Wohlgenannt Gerhard
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| Frankfurt am Main : , : Peter Lang GmbH, Internationaler Verlag der Wissenschaften, , 2011 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Poverty and Distributional Impact of Economic Policies and External Shocks : Three Case Studies from Latin America Combining Macro and Micro Approaches
| Poverty and Distributional Impact of Economic Policies and External Shocks : Three Case Studies from Latin America Combining Macro and Micro Approaches |
| Autore | Lay Jann |
| Edizione | [First edition.] |
| Pubbl/distr/stampa | Frankfurt am Main : , : Peter Lang GmbH, Internationaler Verlag der Wissenschaften, , 2007 |
| Descrizione fisica | 1 online resource (154 pages) |
| Disciplina | 330.98 |
| Collana | Goettinger Studien zur Entwicklungsoekonomik / Goettingen Studies in Development Economics. |
| Soggetto topico |
Political science
Economics Labor economics Development economics |
| Soggetto non controllato |
America
Approaches Armut Case Combining Distributional Economic External from Impact Income distribution Inzidenz (Wirtschaft) Kolumbien Latin Macro Macro-micro model Micro Microsimulation Policies Poverty Resource boom Shocks Studies Three Trade policy |
| ISBN | 3-631-75365-9 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto | Cover -- 1. General introduction and main findings -- 2. The poverty and distributional impact of "opening-up": Urban Colombia in the early 1990s -- 2.1. Introduction -- 2.2. Colombia in the early 1990s: "Apertura" and a non-tradable boom -- 2.3. Capturing the transmission channels: Methodology -- 2.4. The poverty and distributional impact of "Apertura" -- 2.5. Conclusions -- 2.6. Appendices -- 2.6.1. Additional figures -- 2.6.2. Additional tables -- 3. Resource booms, inequality, and poverty: The case of gas in Bolivia -- 3.1. Introduction -- 3.2. The gas boom and other resource shocks -- 3.3. The modelling framework -- 3.3.1. The CGE model -- 3.3.2. The microsimulation model -- 3.4. Results -- 3.4.1. Stylized simulations for link variables -- 3.4.2. Gas shock simulations -- 3.5. Concluding remarks -- 3.6. Appendices -- 3.6.1. Additional figures -- 3.6.2. Additional tables -- 4. Structural change and poverty reduction in Brazil: The impact of the Doha Round -- 4.1. Introduction -- 4.2. Background and motivation -- 4.3. The modeling framework -- 4.3.1. The macro model -- 4.3.2. The micro model -- 4.4. Brazil in the next decade: How trade policy affects a Business as Usual scenario? -- 4.4.1. The Business as Usual macro results -- 4.4.2. Distributional and poverty results for the BaU -- 4.4.3. Macro results for the full liberalization and the Doha trade policy shocks -- 4.4.4. Trade scenarios' distributional and poverty results -- 4.5. Conclusions -- 4.6. Appendices -- 4.6.1. Additional tables -- 5. Conclusions, policy relevance, and future research -- 6. References. |
| Altri titoli varianti |
Goettinger Studien zur Entwicklungsoekonomik / Goettingen Studies in Development Economics vol. 18
Poverty and Distributional Impact of Economic Policies and External Shocks |
| Record Nr. | UNINA-9910297039903321 |
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Lay Jann
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| Frankfurt am Main : , : Peter Lang GmbH, Internationaler Verlag der Wissenschaften, , 2007 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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