Export Citations
Save this search
Please login to be able to save your searches and receive alerts for new content matching your search criteria.
- invited-talkDecember 2020
HTTP Adaptive Streaming: Where Is It Heading?
WebMedia '20: Proceedings of the Brazilian Symposium on Multimedia and the WebPages 349–350https://doi.org/10.1145/3428658.3434574In this contribution, we present selected novel approaches and results of our research work in the ATHENA Christian Doppler Laboratory (Adaptive Streaming over HTTP and Emerging Networked Multimedia Services), a major research project at our department ...
- short-paperNovember 2020
Automatic Content Quality Estimation Using Deep Neural Networks in Collaborative Encyclopedias on the Web
WebMedia '20: Proceedings of the Brazilian Symposium on Multimedia and the WebPages 125–128https://doi.org/10.1145/3428658.3431756Wikipedia is based on user-generated content, in other words, anyone with internet access can write and make changes to its articles, hence the information quality of the encyclopedias is often criticized. Therefore, assigning the correct class of ...
- short-paperNovember 2020
Investigating the Role of Personalization When Creating Relaxing Playlists
WebMedia '20: Proceedings of the Brazilian Symposium on Multimedia and the WebPages 213–216https://doi.org/10.1145/3428658.3431755More than just a common habit or pastime of people, listening to music is often used as a way to facilitate listeners to achieve a certain mental state or to perform specific activities. Among the most common activities performed when listening to music ...
- short-paperNovember 2020
Combining complementary diversification models for personalized POI recommendations
WebMedia '20: Proceedings of the Brazilian Symposium on Multimedia and the WebPages 209–212https://doi.org/10.1145/3428658.3431754Location-Based Social Networks (LBSNs) have become important tools for people interested in exploring new places. And, similar to traditional recommendation domains, handling the trade-off between accuracy and diversity is a major challenge to provide ...
- short-paperNovember 2020
SucupiraBot: An Interactive Question-Answering System for the Sucupira Platform
WebMedia '20: Proceedings of the Brazilian Symposium on Multimedia and the WebPages 277–280https://doi.org/10.1145/3428658.3431752Conversational user interfaces have been an increasingly popular way to obtain quick information in natural language, especially with advances in the area of natural language processing (NLP) fueled by the surge of deep neural networks. Real-world cases ...
-
- short-paperNovember 2020
Analyzing A Touristic Event Popularity Using Social Networks
WebMedia '20: Proceedings of the Brazilian Symposium on Multimedia and the WebPages 269–272https://doi.org/10.1145/3428658.3431094Context-aware recommendation systems use contextual data to recommend a fully personalized suggestion to their users, for instance, using the massive workloads produced by the usage of mobile apps. In this paper, we collected and analyzed a dataset from ...
- short-paperNovember 2020
WordRecommender: An Explainable Content-Based Algorithm based on Sentiment Analysis and Semantic Similarity
WebMedia '20: Proceedings of the Brazilian Symposium on Multimedia and the WebPages 181–184https://doi.org/10.1145/3428658.3431093Regarding recommender systems, there has been a historically dominance on the literature in favor of collaborative algorithms over content-based ones. However, the latter can work better with users on applications and be more transparent. Therefore, in ...
- short-paperNovember 2020
Crowd-Auto: Locating Theft Vehicles Through Urban Crowdsensing
WebMedia '20: Proceedings of the Brazilian Symposium on Multimedia and the WebPages 61–64https://doi.org/10.1145/3428658.3431092Several cities around the world face security problems, such as vehicle theft. Locate and recover these vehicles are challengers for authorities. In smart cities, citizens can collaborate with authorities by sensing urban and environmental data, so-...
- short-paperNovember 2020
Identifying Criminal Suspects on Social Networks: A Vocabulary-Based Method
WebMedia '20: Proceedings of the Brazilian Symposium on Multimedia and the WebPages 273–276https://doi.org/10.1145/3428658.3431091Identifying suspects of crimes on social networks is one of the most relevant tasks in the analysis of this type of network. Most of the computational methods focused on this task involve supervised machine learning, and, therefore, require previously ...
- short-paperNovember 2020
Analyzing YouTube Videos Shared on Whatsapp in the Early COVID-19 Crisis
- Marisa Vasconcelos,
- Erica Pereira,
- Samuel Guimarães,
- Manoel Horta Ribeiro,
- Philipe Melo,
- Fabrício Benevenuto
WebMedia '20: Proceedings of the Brazilian Symposium on Multimedia and the WebPages 25–28https://doi.org/10.1145/3428658.3431090Whatsapp is the most popular messaging app in the world. It is not only used as a one-to-one messaging app but also as a platform for group discussion. Recently, Whatsapp has gained the spotlight for its role in disseminating (often low-quality) ...
- short-paperNovember 2020
4MuLA: A Multitask, Multimodal, and Multilingual Dataset of Music Lyrics and Audio Features
WebMedia '20: Proceedings of the Brazilian Symposium on Multimedia and the WebPages 145–148https://doi.org/10.1145/3428658.3431089We present a new benchmark dataset of songs with structured information to be applied in various machine learning tasks. The data comes from a platform focused on lyrics information, but contain several other annotations provided by their users. Our ...
- short-paperNovember 2020
Analyzing the Use of COVID-19 Ads on Facebook
WebMedia '20: Proceedings of the Brazilian Symposium on Multimedia and the WebPages 21–24https://doi.org/10.1145/3428658.3431088In view of the emergence of mobility restrictions and social isolation imposed by the coronavirus or COVID-19 pandemic, digital media, especially social networks, become a breeding ground for fake news, political attacks and large-scale misinformation. ...
- research-articleNovember 2020
Semantic similarity attributes for Data Cloud: A Case Study in MIDAS
WebMedia '20: Proceedings of the Brazilian Symposium on Multimedia and the WebPages 89–96https://doi.org/10.1145/3428658.3431087Distinct Data as a Service (DaaS) and Database as a Service (DBaaS) providers can store and manage heterogeneous data in the cloud. Data are accessed from the Software as a Service (SaaS) through an automated solution named MIDAS (Middleware for DaaS/...
- research-articleNovember 2020
Classifying Web page features to detect DaaS
WebMedia '20: Proceedings of the Brazilian Symposium on Multimedia and the WebPages 325–331https://doi.org/10.1145/3428658.3431085A SaaS (Software as a Service) can transparently consume a DaaS (Data as a Service). However, heterogeneous DaaS and its evolution can disrupt the SaaS execution. In such cases, a middleware can provide such interoperability and monitor the DaaS ...
- research-articleNovember 2020
Inferring cultural similarity among Brazilian states based on data from social media advertising platforms
WebMedia '20: Proceedings of the Brazilian Symposium on Multimedia and the WebPages 261–268https://doi.org/10.1145/3428658.3431084Due to its continental size, Brazil is one of the countries with the largest territorial extension in the world, with a total of 27 federative units, and prominent cultural diversity. Brazil is also among the five countries with the largest social ...
- research-articleNovember 2020
Evaluating Early Fusion Operators at Mid-Level Feature Space
WebMedia '20: Proceedings of the Brazilian Symposium on Multimedia and the WebPages 113–120https://doi.org/10.1145/3428658.3431079Early fusion techniques have been proposed in video analysis tasks as a way to improve efficacy by generating compact data models capable of keeping semantic clues present on multimodal data. First attempts to fuse multimodal data employed fusion ...
- research-articleNovember 2020
Exploiting Graph Similarities with Clustering to Improve Long Tail Itens Recommendations
WebMedia '20: Proceedings of the Brazilian Symposium on Multimedia and the WebPages 193–200https://doi.org/10.1145/3428658.3431078Techniques in recommendation systems generally focuses on recommending the most important items for a user. The purpose of this work is to generate recommendations focusing on long tail items, leading users to less popular and at the same time highly ...
- research-articleNovember 2020
An Evaluation of Structural Characteristics of Networks to Identify Media Bias in News Portals
WebMedia '20: Proceedings of the Brazilian Symposium on Multimedia and the WebPages 225–232https://doi.org/10.1145/3428658.3431077Nowadays, news websites are the main sources of information for most people. But these outlets may have a bias in their publications, favoring some ideology. This can influence people's opinion regarding several topics. Methods to automatically detect ...
- research-articleNovember 2020
An Approach for Improving DBpedia as a Research Data Hub
- Jean Gabriel Nguema Ngomo,
- Giseli Rabello Lopes,
- Maria Luiza Machado Campos,
- Maria Claudia Reis Cavalcanti
WebMedia '20: Proceedings of the Brazilian Symposium on Multimedia and the WebPages 65–72https://doi.org/10.1145/3428658.3431075Extracted from Wikipedia content, DBpedia is considered one of the most important knowledge bases of the Semantic Web, which has editions in several languages, among which those in English (DBpedia EN) and Portuguese (DBpedia PT). All DBpedia editions ...
- research-articleNovember 2020
Providing Eye Gaze Interaction for Ginga-NCL Applications
- Eyre Brasil B. Montevecchi,
- Marina I. P. Josué,
- Fábio Barreto,
- Raphael S. de Abreu,
- Débora C. Muchaluat-Saade
WebMedia '20: Proceedings of the Brazilian Symposium on Multimedia and the WebPages 297–303https://doi.org/10.1145/3428658.3430983Eye-tracking sensors allow users to interact by eye gaze with multimedia applications, providing a new interaction modality for those who do not want or cannot use the traditional ones (mouse, keyboard, and remote control). Considering digital TV ...