Sökning: "open cluster"

Visar resultat 16 - 20 av 82 uppsatser innehållade orden open cluster.

  1. 16. Examining LUMBA UVES pipeline spectroscopy on giant and sub-giant stars of M67

    Master-uppsats, Uppsala universitet/Observationell astrofysik

    Författare :Nikolaos Papakonstantinou; [2021]
    Nyckelord :methods: numerical; stars:abundances; stars: atmospheres; stars: statistics; stars:giants; stars:subgiants; stars: open clusters; stars: M67;

    Sammanfattning : In this work, the efficiency of the LUMBA UVES pipeline for processing of spectroscopic observations is tested by use on 23 high-resolution spectra of the open star cluster M67. An abundance trend discovered by Gavel et al. (2019) concerning iron abundances of giant and sub-giant stars of that cluster is examined. LÄS MER

  3. 17. Project based multi-tenant managed RStudio on Kubernetes for Hopsworks

    Master-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Författare :Gibson Chikafa; [2021]
    Nyckelord :Multi-tenancy; Cloud computing; Performance isolation; Security; Scaling; Docker; Kubernetes; Azure; GCP; Multitenans; Molntjänster; Prestandaisolering; Säkerhet; Skalning; Docker; Kubernetes; Azure; GCP;

    Sammanfattning : In order to fully benefit from cloud computing, services are designed following the “multi-tenant” architectural model which is aimed at maximizing resource sharing among users. However, multi-tenancy introduces challenges of security, performance isolation, scaling and customization. LÄS MER

  4. 18. Isochrone and chemical ages of stars in the old open cluster M67

    Master-uppsats, Uppsala universitet/Observationell astrofysik

    Författare :Julia Ahlvind; [2021]
    Nyckelord :solar twin; Messier 67; M67; open cluster; isochrone; chemical clock;

    Sammanfattning : The open cluster Messier 67 is known to have chemical composition, metallicity and age (~ 4 Gyr) close to the Sun. Therefore, it is advantageous for stellar physical studies and of stellar evolution, in particular for solar like stars within the cluster. LÄS MER

  5. 19. Elasticity of Elasticsearch

    Master-uppsats, Uppsala universitet/Avdelningen för datorteknik

    Författare :Kleivi Dimitris Tsaousi; [2021]
    Nyckelord :Cloud computing; elasticsearch; docker; kubernetes; devops; full-text search; search engines;

    Sammanfattning : Elasticsearch has evolved from an experimental, open-source, NoSQL database for full-text documents to an easily scalable search engine that canhandle a large amount of documents. This evolution has enabled companies todeploy Elasticsearch as an internal search engine for information retrieval (logs,documents, etc.). LÄS MER

  7. 20. Scalable Architecture for Automating Machine Learning Model Monitoring

    Master-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Författare :Javier de la Rúa Martínez; [2020]
    Nyckelord :Model Monitoring; Streaming; Scalability; Cloud-native; Data Drift; Outliers; Machine Learning; Modellövervakning; Streaming-metod; Skalbarhet; Molnbaserad; Dataskift; Outlierupptäckt; Maskininlärning;

    Sammanfattning : Last years, due to the advent of more sophisticated tools for exploratory data analysis, data management, Machine Learning (ML) model training and model serving into production, the concept of MLOps has gained more popularity. As an effort to bring DevOps processes to the ML lifecycle, MLOps aims at more automation in the execution of diverse and repetitive tasks along the cycle and at smoother interoperability between teams and tools involved. LÄS MER