Mining social media for open innovation in transportation systems

D Ulloa, P Saleiro, RJF Rossetti… - 2016 IEEE 19th …, 2016 - ieeexplore.ieee.org
This work proposes a novel framework for the development of new products and services in
transportation through an open innovation approach based on automatic content analysis of …

Social media text processing and semantic analysis for smart cities

JFF Pereira - arXiv preprint arXiv:1709.03406, 2017 - arxiv.org
With the rise of Social Media, people obtain and share information almost instantly on a 24/7
basis. Many research areas have tried to gain valuable insights from these large volumes of …

Popmine: Tracking political opinion on the web

P Saleiro, S Amir, M Silva… - 2015 IEEE International …, 2015 - ieeexplore.ieee.org
The automatic content analysis of mass media in the social sciences has become necessary
and possible with the raise of social media and computational power. One particularly …

Learning from the news: Predicting entity popularity on twitter

P Saleiro, C Soares - Advances in Intelligent Data Analysis XV: 15th …, 2016 - Springer
In this work, we tackle the problem of predicting entity popularity on Twitter based on the
news cycle. We apply a supervised learning approach and extract four types of features:(i) …

TexRep: A text mining framework for online reputation monitoring

P Saleiro, EM Rodrigues, C Soares… - New Generation …, 2017 - Springer
This work aims to understand, formalize and explore the scientific challenges of using
unstructured text data from different Web sources for Online Reputation Monitoring. We here …

Sentiment aggregate functions for political opinion polling using microblog streams

P Saleiro, L Gomes, C Soares - Proceedings of the ninth international C …, 2016 - dl.acm.org
The automatic content analysis of mass media in the social sciences has become necessary
and possible with the raise of social media and computational power. One particularly …

Timemachine: Entity-centric search and visualization of news archives

P Saleiro, J Teixeira, C Soares, E Oliveira - Advances in Information …, 2016 - Springer
We present a dynamic web tool that allows interactive search and visualization of large
news archives using an entity-centric approach. Users are able to search entities using …

SentiBubbles: Topic modeling and sentiment visualization of entity-centric tweets

J Oliveira, M Pinto, P Saleiro, J Teixeira - Proceedings of the Ninth …, 2016 - dl.acm.org
Social Media users tend to mention entities when reacting to news events. The main
purpose of this work is to create entity-centric aggregations of tweets on a daily basis. By …

Tweet expansion method for filtering task in twitter

P Karisani, F Oroumchian, M Rahgozar - Experimental IR Meets …, 2015 - Springer
In this article we propose a supervised method for expanding tweet contents to improve the
recall of tweet filtering task in online reputation management systems. Our method does not …

Improve CAM power efficiency using decoupled match line scheme

YJ Chang, YH Liao, SJ Ruan - … & Test in Europe Conference & …, 2007 - ieeexplore.ieee.org
Content addressable memory (CAM) is widely used in many applications that require fast
table lookup. Due to the parallel comparison feature and high frequency of lookup, however …