Sökning: "Hakim Liu"

Hittade 2 uppsatser innehållade orden Hakim Liu.

1. 1. Format Conversions and Query Rewriting for RDF* and SPARQL*

   Kandidat-uppsats, Linköpings universitet/Databas och informationsteknik

   Författare :Jesper Eriksson; Amir Hakim; [2018]
   Nyckelord :RDF*; SPARQL*; RDF* to property graph conversion; RDF* to RDF conversion;

   Sammanfattning : Resource Description Framework (RDF) is a modern graph database model which has a proposed extension called RDF*. However, currently there are no tools available that allow for transitions between RDF and RDF*. In this thesis tools were developed that allow for conversions between these two formats. LÄS MER

3. 2. Characterization of Hard Metal Surfaces after Various Surface Process Treatments

   Master-uppsats, Institutionen för fysik, kemi och biologi

   Författare :Ali Hakim; [2008]
   Nyckelord :WC-Co; cermet; grinding; blasting; polishing; residual stress; surface roughness; surface deformations; cross section; adhesion;

   Sammanfattning : The aim of this thesis is to investigate how material surfaces are affected by various surface treatments and how this relates to the adhesion of the coating. The materials that were studied were WC-Co and Cermets and the surface treatments used were polishing, grinding with coarser and finer abrasive grains, and finally wet blasting and dry blasting. LÄS MER