Sökning: "Carl Piehl"

Hittade 3 uppsatser innehållade orden Carl Piehl.

  1. 1. Classification of Transcribed Voice Recordings : Determining the Claim Type of Recordings Submitted by Swedish Insurance Clients

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

    Författare :Carl Piehl; [2021]
    Nyckelord :Text Classification; Word embeddings; BERT; LSTM; Cost-sensitive learning; Focal loss; Textklassificering; Ordinbäddningar; BERT; LSTM; Kostnadskänslig inlärning; Fokal förlustfunktion;

    Sammanfattning : In this thesis, we investigate the problem of building a text classifier for transcribed voice recordings submitted by insurance clients. We compare different models in the context of two tasks. The first is a binary classification problem, where the models are tasked with determining if a transcript belongs to a particular type or not. LÄS MER

  3. 2. Unsupervised anomaly detection in time series with recurrent neural networks

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

    Författare :Josef Haddad; Carl Piehl; [2019]
    Nyckelord :;

    Sammanfattning : Artificial neural networks (ANN) have been successfully applied to a wide range of problems. However, most of the ANN-based models do not attempt to model the brain in detail, but there are still some models that do. An example of a biologically constrained ANN is Hierarchical Temporal Memory (HTM). LÄS MER

  4. 3. Oljeprischocker – En studie på de svenska och brittiska aktiemarknaderna

    Kandidat-uppsats, Lunds universitet/Företagsekonomiska institutionen

    Författare :Sven Piehl Trygg; Carl Hersaeus; [2007]
    Nyckelord :Dummy Variables; United Kingdom; Oil Price; OLS; Regressions; Stock Markets; and Sweden; Management of enterprises; Företagsledning; management; Business and Economics;

    Sammanfattning : ABSTRACT TITLE: Oil price shocks impact on the British and the Swedish stock markets SEMINAR DATE: 2007-06-07 COURSE: Bachelor thesis in Business Administration and Economics, 10 Swedish credits (15 ECTS) AUTHORS: Carl Hersaeus, Sven Piehl Trygg ADVISORS: Hossein Asgharian, Göran Andersson KEY WORDS: Dummy Variables, United Kingdom, Oil Price, OLS, Regressions, Stock Markets, and Sweden PURPOSE: The purpose of this paper is to study whether, and how, oil price shocks have an impact on British and Swedish stock markets. METHODOLOGY: Our paper is based on secondary data, focused on historical spot prices on Brent oil and stock indices from Sweden and UK. LÄS MER