Towards Financial Sentiment Analysis in a South African Landscape

نویسندگان

چکیده

Sentiment analysis as a sub-field of natural language processing has received increased attention in the past decade enabling organisations to more effectively manage their reputation through online media monitoring. Many drivers impact reputation, however, this thesis focuses only aspect financial performance and explores gap with regards sentiment South African context. Results showed that pre-trained analysers are least effective for task traditional lexicon-based machine learning approaches best suited predict news articles. The evaluated methods produced accuracies 84%–94%. predicted sentiments correlated quite well share price highlighted potential use an indicator performance. A main contribution study was updating existing dictionary analysis. Model generalisation less acceptable due limited amount training data used. Future work includes expanding set improve general usability contribute open-source analyser data.

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Towards a BPM Success Model: An Analysis in South African Financial Services Organisations

The improvement of business processes has recently emerged as one of the top business priorities for IT, and Business Process Management (BPM) is currently being seen as the best way to deliver process improvements. This research explores the enablers of BPM success, expanding on the Rosemann, de Bruin and Power theoretical BPM success model [1]. Qualitative research was conducted in four South...

متن کامل

Towards Sentiment Analysis of Financial Texts in Croatian

The paper presents results of an experiment dealing with sentiment analysis of Croatian text from the domain of finance. The goal of the experiment was to design a system model for automatic detection of general sentiment and polarity phrases in these texts. We have assembled a document collection from web sources writing on the financial market in Croatia and manually annotated articles from a...

متن کامل

Sentiment analysis methods in Sentiment analysis methods in Persian text: A survey

With the explosive growth of social media such as Twitter, reviews on e-commerce website, and comments on news websites, individuals and organizations are increasingly using opinions in these media for their decision making. Sentiment analysis is one of the techniques used to analyze userschr('39') opinions in recent years. Persian language has specific features and thereby requires unique meth...

متن کامل

Towards Regulatory Compliance - A model for the South African Financial Sector

The information age brought along with it, significant advances, challenges and changes, thus resulting in the businesses becoming more complex significant advances such as using the cyber world as a market place, with the aid of new technology. Clearly, the trend of exploiting the cyber market has benefited the financial industry. However, whereas Information Technology is of critical importan...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Lecture Notes in Computer Science

سال: 2021

ISSN: ['1611-3349', '0302-9743']

DOI: https://doi.org/10.1007/978-3-030-84060-0_12