User profiles for Hao Ma

Hao Ma

- Verified email at fb.com - Cited by 17320

Hao Ma

- Verified email at bimba.pku.edu.cn - Cited by 2948

Hao Ma

- Verified email at sustech.edu.cn - Cited by 1132

Competitive advantage and firm performance

H Ma - Competitiveness Review: An International Business …, 2000 - emerald.com
Competitive advantage is perhaps the most widely used term in strategic management, yet
it remains poorly defined and operationalized. This paper makes three observations …

Sorec: social recommendation using probabilistic matrix factorization

H Ma, H Yang, MR Lyu, I King - Proceedings of the 17th ACM conference …, 2008 - dl.acm.org
Data sparsity, scalability and prediction quality have been recognized as the three most crucial
challenges that every collaborative filtering algorithm or recommender system confronts. …

Network embedding as matrix factorization: Unifying deepwalk, line, pte, and node2vec

J Qiu, Y Dong, H Ma, J Li, K Wang, J Tang - Proceedings of the eleventh …, 2018 - dl.acm.org
Since the invention of word2vec, the skip-gram model has significantly advanced the research
of network embedding, such as the recent emergence of the DeepWalk, LINE, PTE, and …

An overview of microsoft academic service (mas) and applications

A Sinha, Z Shen, Y Song, H Ma, D Eide… - Proceedings of the 24th …, 2015 - dl.acm.org
In this paper we describe a new release of a Web scale entity graph that serves as the backbone
of Microsoft Academic Service (MAS), a major production effort with a broadened scope …

[HTML][HTML] Recent developments and challenges of lower extremity exoskeletons

B Chen, H Ma, LY Qin, F Gao, KM Chan… - Journal of Orthopaedic …, 2016 - Elsevier
The number of people with a mobility disorder caused by stroke, spinal cord injury, or other
related diseases is increasing rapidly. To improve the quality of life of these people, devices …

Linformer: Self-attention with linear complexity

S Wang, BZ Li, M Khabsa, H Fang, H Ma - arXiv preprint arXiv:2006.04768, 2020 - arxiv.org
Large transformer models have shown extraordinary success in achieving state-of-the-art
results in many natural language processing applications. However, training and deploying …

Recommender systems with social regularization

H Ma, D Zhou, C Liu, MR Lyu, I King - … on Web search and data mining, 2011 - dl.acm.org
Although Recommender Systems have been comprehensively analyzed in the past decade,
the study of social-based recommender systems just started. In this paper, aiming at …

Direct, nonoxidative conversion of methane to ethylene, aromatics, and hydrogen

X Guo, G Fang, G Li, H Ma, H Fan, L Yu, C Ma, X Wu… - science, 2014 - science.org
The efficient use of natural gas will require catalysts that can activate the first C–H bond of
methane while suppressing complete dehydrogenation and avoiding overoxidation. We report …

Selective conversion of syngas to light olefins

F Jiao, J Li, X Pan, J Xiao, H Li, H Ma, M Wei, Y Pan… - Science, 2016 - science.org
Although considerable progress has been made in direct synthesis gas (syngas) conversion
to light olefins (C 2 = –C 4 = ) via Fischer-Tropsch synthesis (FTS), the wide product …

Learning to recommend with social trust ensemble

H Ma, I King, MR Lyu - Proceedings of the 32nd international ACM SIGIR …, 2009 - dl.acm.org
As an indispensable technique in the field of Information Filtering, Recommender System
has been well studied and developed both in academia and in industry recently. However, …