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Formalization and management of content-based information retrieval of complex objects with hierarchical and cross-modal data

Grant number: 14/25125-3
Support Opportunities:Scholarships in Brazil - Doctorate
Effective date (Start): April 01, 2015
Effective date (End): March 31, 2019
Field of knowledge:Physical Sciences and Mathematics - Computer Science - Computer Systems
Acordo de Cooperação: Coordination of Improvement of Higher Education Personnel (CAPES)
Principal Investigator:Agma Juci Machado Traina
Grantee:Daniel Yoshinobu Takada Chino
Host Institution: Instituto de Ciências Matemáticas e de Computação (ICMC). Universidade de São Paulo (USP). São Carlos , SP, Brazil
Associated scholarship(s):15/13346-8 - Content-based Information Retrieval in Social Media Services, BE.EP.DR


Image based reports, such as papers, web pages and thesis have been digitally stored, with fast growing in volume and complexity. This scenario challenges both database management systems' efficiency and effectiveness. Big data addresses issues found when dealing with great data volume, scope, complexity and distribution. On the other hand, as complexity grows, new query methods are needed - numeric data and short strings are not enough to represent complex data. Similarity search has been proven to be the state-of-the-art to compare complex data. However, the concept of similarity itself becomes unclear when objects under comparison are composed of parts that can be compared by similarity as well, i.e., composite objects. There are several studies covering the similarity search over a single object, as images, audio and genetic sequence. However, currently there are no methods on the literature that deal with the similarity of composite objects. Moreover, similarity is defined by considering the semantic meaning to treat few data. This project aims to develop techniques to compare composite and complex objects that can be hierarchically organized regarding their similarity. The proposed techniques will be evaluated in different domains, as medical exams with several images; digital library, aiding recommender systems of academic thesis. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
CHINO, DANIEL Y. T.; SCABORA, LUCAS C.; CAZZOLATO, MIRELA T.; JORGE, ANA E. S.; TRAINA, CAETANO, JR.; TRAINA, AGMA J. M.; HOLLMEN, J; MCGREGOR, C; SODA, P; KANE, B. ICARUS: Retrieving Skin Ulcer Images Through Bag-of-Signatures. 2018 31ST IEEE INTERNATIONAL SYMPOSIUM ON COMPUTER-BASED MEDICAL SYSTEMS (CBMS 2018), v. N/A, p. 6-pg., . (14/25125-3, 16/17078-0, 16/17330-1)
CHINO, DANIEL Y. T.; SCABORA, LUCAS C.; CAZZOLATO, MIRELA T.; JORGE, ANA E. S.; TRAINA-, JR., CAETANO; TRAINA, AGMA J. M.. Segmenting skin ulcers and measuring the wound area using deep convolutional networks. COMPUTER METHODS AND PROGRAMS IN BIOMEDICINE, v. 191, . (16/17078-0, 16/17330-1, 14/25125-3, 18/24414-2)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
CHINO, Daniel Yoshinobu Takada. Managing feature extraction, mining and retrieval of complex data: applications in emergency situations and medicine. 2019. Doctoral Thesis - Universidade de São Paulo (USP). Instituto de Ciências Matemáticas e de Computação (ICMC/SB) São Carlos.

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