Sökning: "embedding number"

Visar resultat 16 - 20 av 36 avhandlingar innehållade orden embedding number.

1. 16. Optimal and Hereditarily Optimal Realizations of Metric Spaces

   Författare :Alice Lesser; Svante Janson; Lars-Erik Persson; Anders Johansson; Vincent Moulton; Pierre Flener; Charles Semple; Uppsala universitet; []
   Nyckelord :Applied mathematics; optimal realization; hereditarily optimal realization; tight span; phylogenetic network; Buneman graph; split decomposition; T-theory; finite metric space; topological graph theory; discrete geometry; Tillämpad matematik;

   Sammanfattning : This PhD thesis, consisting of an introduction, four papers, and some supplementary results, studies the problem of finding an optimal realization of a given finite metric space: a weighted graph which preserves the metric's distances and has minimal total edge weight. This problem is known to be NP-hard, and solutions are not necessarily unique. LÄS MER

3. 17. Monitoring Infrastructure Affordances

   Författare :Björn Ståhl; Blekinge Tekniska Högskola; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES;

   Sammanfattning : Computing has made its way into most of our lives as a key processor of vast quantities of information. This has happened directly in terms of gadgets and devices that assists us in everyday life, but also indirectly, through the critical infrastructures that enables these devices to function. LÄS MER

4. 18. Splitting rocks: Learning word sense representations from corpora and lexica

   Författare :Luis Nieto Piña; Göteborgs universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; language technology; natural language processing; distributional models; semantic representations; distributed representations; word senses; embeddings; word sense disambiguation; linguistic resources; corpus; lexicon; machine learning; neural networks;

   Sammanfattning : The representation of written language semantics is a central problem of language technology and a crucial component of many natural language processing applications, from part-of-speech tagging to text summarization. These representations of linguistic units, such as words or sentences, allow computer applications that work with language to process and manipulate the meaning of text. LÄS MER

5. 19. Scaffolding foreign language learners’ reading strategies using tablet computers at two secondary schools in Denmark

   Författare :Nathalie Auer; UK University of Leicester; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; mobile learning; reading strategies; digital reading; metacognition apply to reading;

   Sammanfattning : The use of mobile devices for learning has led to an increased number of textbooks and reading materials being published in digital format. Specific digital literacies are required to take advantage of these digital texts, and students need to acquire these literacies if they are to read and learn efficiently. LÄS MER

7. 20. Looking for the Charged Higgs Boson : Simulation Studies for the ATLAS Experiment

   Författare :Martin Flechl; Tord Ekelöf; Richard Brenner; Kinnunen Ritva; Uppsala universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; charged Higgs; tau; ATLAS; HEP; CERN; LHC; Particle Physics; Grid; Physics; Fysik; högenergifysik; High Energy Physics;

   Sammanfattning : The discovery of a charged Higgs boson (H+) would be an unambiguous sign of physics beyond the Standard Model. This thesis describes preparations for the H+ search with the ATLAS experiment at the Large Hadron Collider at CERN. The H+ discovery potential is evaluated, and tools for H+ searches are developed and refined. LÄS MER