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Visar resultat 1 - 5 av 207 avhandlingar som matchar ovanstående sökkriterier.

1. 1. Lock-free Concurrent Search

   Författare :Bapi Chatterjee; Chalmers tekniska högskola; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; Wait-free; Help-aware; Non-blocking; Concurrency; Linearizability; Lock-based; Lock-free-kD-tree; Amortized Complexity; Data Structure; Binary Search Tree; Blocking; Search; Concurrent; kD-tree; Linked-list; Lock-free; Range Search; Language-portable; Help-optimal; Nearest Neighbour Search; Linearizable; Synchronization;

   Sammanfattning : The contemporary computers typically consist of multiple computing cores with high compute power. Such computers make excellent concurrent asynchronous shared memory system. LÄS MER

3. 2. Mining Web Logs to Improve User Experience in Web Search

   Författare :Libertad Tansini; Chalmers tekniska högskola; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Web log mining; web search; user intent; user recommendation; user modelling;

   Sammanfattning : The World Wide Web continues to grow in size and diversity and this makes it increasinglyhard for users to find valuable information because of heterogeneous form and contentof the documents, little knowledge about the reliability and prestige of the documents anda great deal of redundancy.Usually search engines look for documents that contain specific keywords or phrasesstated by the users as queries. LÄS MER

4. 3. Geographic Labour Mobility - Causes and Consequences

   Författare :Anders Boman; Göteborgs universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; geographic mobility; internal migration; job displacement; ethnic enclaves; unemployment; job search; search scope; earnings effects; gender differences; immigrants; selection;

   Sammanfattning : This thesis consists of three self-contained chapters. The first chapter studies the causes of internal migration, the second studies the earnings effects of internal migration, and the third analyses what could be perceived as an effect of mobility but is in fact not. LÄS MER

5. 4. Multi-Agent Mission Planning and Execution for Small Autonomous Underwater Vehicles

   Författare :Özer Özkahraman; Petter Ögren; João Tasso de Figueiredo Borges de Sousa; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Underwater vehicles; collaborative; robotics; auv; navigation; coverage; search; slam; graph-slam; communication; control barrier functions; control; swarms; caging; capture; Datalogi; Computer Science;

   Sammanfattning : Our planet is mostly covered in water, most of it still unexplored.In order to understand our environment better, oceanographers have been mapping and monitoring these waters using ship-mounted sensors and wired vehicles with limited range compared to the vastness of the oceans. LÄS MER

7. 5. On the Cost of Capital, Profits and the Diffusion of Ideas

   Författare :Has van Vlokhoven; Timo Boppart; Per Krusell; Jan Eeckhout; Stockholms universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Cost of capital; Profit share; Capital share; Labor share; Markups; Marginal products; International capital markets; Firm life cycle; Firm entry; Technology diffusion; Search; Networks; Productivity distribution; Economics; nationalekonomi;

   Sammanfattning : Estimating the Cost of Capital and the Profit Share Compensation of the factor of production capital is not directly observed since most firms own part of their capital stock. I develop a new method to estimate capital compensation. LÄS MER