AfriSenti: A Twitter Sentiment Analysis Benchmark for African Languages

3 code implementations • 17 Feb 2023 • Shamsuddeen Hassan Muhammad, Idris Abdulmumin, Abinew Ali Ayele, Nedjma Ousidhoum, David Ifeoluwa Adelani, Seid Muhie Yimam, Ibrahim Sa'id Ahmad, Meriem Beloucif, Saif M. Mohammad, Sebastian Ruder, Oumaima Hourrane, Pavel Brazdil, Felermino Dário Mário António Ali, Davis David, Salomey Osei, Bello Shehu Bello, Falalu Ibrahim, Tajuddeen Gwadabe, Samuel Rutunda, Tadesse Belay, Wendimu Baye Messelle, Hailu Beshada Balcha, Sisay Adugna Chala, Hagos Tesfahun Gebremichael, Bernard Opoku, Steven Arthur

These include 75 languages with at least one million speakers each.

Sentiment Classification Twitter Sentiment Analysis

Contextualization for the Organization of Text Documents Streams

no code implementations • 30 May 2022 • Rui Portocarrero Sarmento, Douglas O. Cardoso, João Gama, Pavel Brazdil

The results provide a new view for the contextualization of similarity when approaching flux of documents organization tasks, based on the similarity between documents in the flux, and by using mentioned algorithms.

Information Retrieval Retrieval

NaijaSenti: A Nigerian Twitter Sentiment Corpus for Multilingual Sentiment Analysis

2 code implementations • LREC 2022 • Shamsuddeen Hassan Muhammad, David Ifeoluwa Adelani, Sebastian Ruder, Ibrahim Said Ahmad, Idris Abdulmumin, Bello Shehu Bello, Monojit Choudhury, Chris Chinenye Emezue, Saheed Salahudeen Abdullahi, Anuoluwapo Aremu, Alipio Jeorge, Pavel Brazdil

We introduce the first large-scale human-annotated Twitter sentiment dataset for the four most widely spoken languages in Nigeria (Hausa, Igbo, Nigerian-Pidgin, and Yor\`ub\'a ) consisting of around 30, 000 annotated tweets per language (and 14, 000 for Nigerian-Pidgin), including a significant fraction of code-mixed tweets.

Sentiment Analysis

Incremental Sparse TFIDF & Incremental Similarity with Bipartite Graphs

1 code implementation • 29 Nov 2018 • Rui Portocarrero Sarmento, Pavel Brazdil

In this report, we experimented with several concepts regarding text streams analysis.

Information Retrieval Data Structures and Algorithms

Effect of Incomplete Meta-dataset on Average Ranking Method

no code implementations • 24 Aug 2016 • Salisu Mamman Abdulrahman, Pavel Brazdil

This issue is relevant, because if we could show that incomplete metadata does not affect the final results much, we could explore it in future design.