Personal information

Other IDs

Scopus Author ID: 57204032534

Countries

Tanzania

Biography

James Chambua is currently a Lecturer and Postgraduate Studies Coordinator at the Computer Science and Engineering Department of the University of Dar-es-Salaam, Tanzania. He received his Ph.D. in Computer Science and Technology at the Beijing Institute of Technology (BIT) in Beijing, China. His research interests include improving understanding, design and performance of Machine Learning algorithms, recommender systems, information retrieval and big data analytics techniques and visualizations. Application of data mining, AI techniques, statistics and e-learning systems.
james.chambua@udsm.ac.tz, jchambua@gmail.com

Activities

Collapse all

Employment (1)

University of Dar-es-Salaam: Dar-es-Salaam, TZ

2006-02-09 to present | Lecturer (Computer Science and Engineering)
Employment
Source: Self-asserted source
James Chambua

Education and qualifications (1)

Beijing Institute of Technology: Beijing, Beijing, CN

2014-09-15 to 2019-06-20 | PhD in Computer Science and Technology (Computer Science and Technology)
Education
Source: Self-asserted source
James Chambua

Works (7)

Rating Prediction based on Optimal Review Topics: A Proposed Latent Factors-Optimal Topics Hybrid Approach

University of Dar es Salaam Library Journal
2022-07-18 | Journal article | Author
DOI: 10.4314/udslj.v17i1.4
Part of ISSN: 2953-2515
Part of ISSN: 0856-1818
Contributors: James Chambua
Source: Self-asserted source
James Chambua

Review text based rating prediction approaches: preference knowledge learning, representation and utilization

Artificial Intelligence Review
2021 | Journal article
DOI: 10.1007/s10462-020-09873-y
EID:

2-s2.0-85089093575

Part of ISSN: 15737462 02692821
Contributors: Chambua, J.; Niu, Z.
Source: Self-asserted source
James Chambua via Scopus - Elsevier

Heterogeneous teaching evaluation network based offline course recommendation with graph learning and tensor factorization

Neurocomputing
2020 | Journal article
DOI: 10.1016/j.neucom.2020.07.064
EID:

2-s2.0-85089092414

Part of ISSN: 18728286 09252312
Contributors: Zhu, Y.; Lu, H.; Qiu, P.; Shi, K.; Chambua, J.; Niu, Z.
Source: Self-asserted source
James Chambua via Scopus - Elsevier

An opinion based cross-regional meteorological event detection model

Weather
2019 | Other
DOI: 10.1002/wea.3295
EID:

2-s2.0-85057970373

Part of ISSN: 14778696 00431656
Contributors: Zhu, Y.; Chambua, J.; Lu, H.; Shi, K.; Niu, Z.
Source: Self-asserted source
James Chambua via Scopus - Elsevier

Multi-task learning model based on recurrent convolutional neural networks for citation sentiment and purpose classification

Neurocomputing
2019 | Journal article
DOI: 10.1016/j.neucom.2019.01.021
EID:

2-s2.0-85060696959

Part of ISSN: 18728286 09252312
Contributors: Yousif, A.; Niu, Z.; Chambua, J.; Khan, Z.Y.
Source: Self-asserted source
James Chambua via Scopus - Elsevier

User preferences prediction approach based on embedded deep summaries

Expert Systems with Applications
2019 | Journal article
DOI: 10.1016/j.eswa.2019.04.047
EID:

2-s2.0-85065101587

Part of ISSN: 09574174
Contributors: Chambua, J.; Niu, Z.; Zhu, Y.
Source: Self-asserted source
James Chambua via Scopus - Elsevier

Tensor factorization method based on review text semantic similarity for rating prediction

Expert Systems with Applications
2018 | Journal article
DOI: 10.1016/j.eswa.2018.07.059
EID:

2-s2.0-85054145222

Part of ISSN: 09574174
Contributors: Chambua, J.; Niu, Z.; Yousif, A.; Mbelwa, J.
Source: Self-asserted source
James Chambua via Scopus - Elsevier
How many people are using ORCID?