Sökning: "lu wang"

Visar resultat 1 - 5 av 149 uppsatser innehållade orden lu wang.

  1. 1. Comparison of VADER and Pre-Trained RoBERTa: A Sentiment Analysis Application

    Kandidat-uppsats, Lunds universitet/Statistiska institutionen

    Författare :Linda Erwe; Xin Wang; [2024]
    Nyckelord :sentiment analysis; natural language processing; BERT; VADER; sustainability report; Mathematics and Statistics;

    Sammanfattning : Purpose: The purpose of this study is to examine how the overall sentiment results from VADER and a pre-trained RoBERTa model differ. The study investigates potential differences in terms of the median and shape of the two distributions. Data: The sustainability reports of 50 independent random companies are selected as the sample. LÄS MER

  3. 2. Identifying motivations and barriers to vegetarian diets--An exploratory study on young internationals in Sweden

    Master-uppsats, Lunds universitet/Internationella miljöinstitutet

    Författare :Ziyue Wang; [2023]
    Nyckelord :Sustainable food consumption; Vegetarian diet; Vegetarian motivation; Vegetarian barrier; Earth and Environmental Sciences;

    Sammanfattning : Our current food system is a significant contributor to anthropogenic greenhouse gas (GHG) emissions, land and water use, biodiversity loss among other issues. In order to achieve the sustainability agendas, a shift in the food system is required. LÄS MER

  4. 3. Risk management in the banking sector

    Magister-uppsats, Lunds universitet/Företagsekonomiska institutionen

    Författare :Gonzalo Vallejo; Yixuan Wang; [2023]
    Nyckelord :Business and Economics;

    Sammanfattning : .... LÄS MER

  5. 4. Simulation and Testing of a MU-MIMO Beamforming System

    Master-uppsats, Lunds universitet/Institutionen för elektro- och informationsteknik

    Författare :Nazyar Mehdishishavan; Zonghan Wang; [2023]
    Nyckelord :Multi-User Multiple-Input Multiple-Output MU-MIMO ; Beamforming; Sounding Reference Signal SRS ; Reciprocity-based; Butler matrix; Advanced Antenna System AAS ; Technology and Engineering;

    Sammanfattning : Multi-User Multiple-Input Multiple-Output (MU-MIMO) technology has become increasingly important in the field of wireless communication due to its ability to highly increase the capacity and efficiency of wireless networks [1]. Beamforming, as a technique used in MU-MIMO systems, improves network performance by improving signal quality and reducing interference. LÄS MER

  7. 5. Identification of restoration hotspots in landscape-scale green infrastructure planning based on model-predicted connectivity forest

    Master-uppsats, Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Författare :Xiaoming Wang; [2023]
    Nyckelord :boreal forest; conservation; restoration; connectivity; green infrastructure; GIS; Sweden; Earth and Environmental Sciences;

    Sammanfattning : Boreal forest landscapes have undergone severe anthropogenic fragmentation and their enormous values concerning, e.g., ecosystem service, biodiversity and culture are hazarded. LÄS MER