Sökning: "data characteristics"

Visar resultat 11 - 15 av 2732 avhandlingar innehållade orden data characteristics.

1. 11. Bootstrapping Named Entity Annotation by Means of Active Machine Learning

   Författare :Fredrik Olsson; Göteborgs universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; corpus creation; data annotation; active learning; named entity recognition; machine learning; computational linguistics; natural language processing; information refinement;

   Sammanfattning : This thesis describes the development and in-depth empirical investigation of a method, called BootMark, for bootstrapping the marking up of named entities in textual documents. The reason for working with documents, as opposed to for instance sentences or phrases, is that the BootMark method is concerned with the creation of corpora. LÄS MER

3. 12. Learning Predictive Models from Electronic Health Records

   Författare :Jing Zhao; Lars Akser; Henrik Boström; Nada Lavrač; Stockholms universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Data Science; Machine Learning; Predictive Modeling; Data Representation; Health Informatics; Electronic Health Records; Computer and Systems Sciences; data- och systemvetenskap;

   Sammanfattning : The ongoing digitization of healthcare, which has been much accelerated by the widespread adoption of electronic health records, generates unprecedented amounts of clinical data in a readily computable form. This, in turn, affords great opportunities for making meaningful secondary use of clinical data in the endeavor to improve healthcare, as well as to support epidemiology and medical research. LÄS MER

4. 13. Aspects of Adapting Data Collection to Intrusion Detection

   Författare :Ulf Larson; Chalmers tekniska högskola; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; data collection; data reduction; intrusion detection; Manifestation extraction; log analysis;

   Sammanfattning : The focus of this thesis is on data collection and in particular data collection for intrusion detection purposes. Data collection is the first, and possibly most important activity in the overall intrusion detection process. The result of the detection can never be better than the data on which the detection is based. LÄS MER

5. 14. Learning from Multi-Objective Optimization of Production Systems : A method for analyzing solution sets from multi-objective optimization

   Författare :Catarina Dudas; Henrik Boström; Amos H.C. Ng; Johan Ölvander; Stockholms universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Data mining; Post-optimization analysis; Production system analysis; data- och systemvetenskap; Computer and Systems Sciences;

   Sammanfattning : The process of multi-objective optimization involves finding optimal solutions to several objective functions. However, these are typically in conflict with each other in many real-world problems, such as production system design. LÄS MER

7. 15. Gnutella Network Traffic : Measurements and Characteristics

   Författare :Dragos Ilie; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Gnutella; P2P; network traffic; measurements; statistical models;

   Sammanfattning : Wide availability of computing resources at the edge of the network has lead to the appearance of new services based on peer-to-peer architectures. In a peer-to-peer network nodes have the capability to act both as client and server. LÄS MER