Sumi Helal

8.7k total citations · 2 hit papers
248 papers, 5.4k citations indexed

About

Sumi Helal is a scholar working on Computer Networks and Communications, Computer Vision and Pattern Recognition and Information Systems. According to data from OpenAlex, Sumi Helal has authored 248 papers receiving a total of 5.4k indexed citations (citations by other indexed papers that have themselves been cited), including 142 papers in Computer Networks and Communications, 93 papers in Computer Vision and Pattern Recognition and 59 papers in Information Systems. Recurrent topics in Sumi Helal's work include Context-Aware Activity Recognition Systems (86 papers), IoT and Edge/Fog Computing (59 papers) and Distributed systems and fault tolerance (37 papers). Sumi Helal is often cited by papers focused on Context-Aware Activity Recognition Systems (86 papers), IoT and Edge/Fog Computing (59 papers) and Distributed systems and fault tolerance (37 papers). Sumi Helal collaborates with scholars based in United States, United Kingdom and South Korea. Sumi Helal's co-authors include Choonhwa Lee, Diane J. Cook, Eunju Kim, Ahmed K. Elmagarmid, Jeffrey King, William Mann, Jing Jin, Youssef Kaddoura, Lixin Ran and E. Jansen and has published in prestigious journals such as SHILAP Revista de lepidopterología, PLoS ONE and Proceedings of the IEEE.

In The Last Decade

Sumi Helal

227 papers receiving 5.0k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

The Gator Tech Smart House: a programmable pervasive space

2005 554 citations Sumi Helal et al. Computer profile →
Human Activity Recognition and Pattern Discovery

2010 447 citations Eunju Kim, Sumi Helal et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Sumi Helal United States	35	2.8k	2.2k	1.1k	992	694	248	5.4k
Michael Beigl Germany	30	1.3k 0.5×	1.8k 0.8×	1.1k 1.1×	455 0.5×	509 0.7×	293	4.2k
Matthai Philipose United States	32	1.7k 0.6×	2.9k 1.3×	1.6k 1.5×	494 0.5×	1.1k 1.6×	87	5.4k
Fahim Kawsar United Kingdom	27	1.4k 0.5×	1.5k 0.7×	965 0.9×	463 0.5×	798 1.1×	165	3.9k
Tao Gu China	41	2.5k 0.9×	2.8k 1.3×	2.7k 2.5×	894 0.9×	971 1.4×	229	6.7k
Xiping Hu China	42	3.2k 1.2×	1.2k 0.6×	2.0k 1.9×	1.1k 1.1×	1.3k 1.9×	211	6.6k
Gabriel‐Miro Muntean Ireland	46	4.3k 1.6×	2.3k 1.0×	3.2k 3.0×	569 0.6×	370 0.5×	451	7.7k
Atif Alamri Saudi Arabia	44	2.2k 0.8×	979 0.4×	1.4k 1.3×	1.7k 1.7×	1.4k 2.1×	188	6.1k
Dimitrios Lymberopoulos Greece	31	1.7k 0.6×	860 0.4×	2.1k 2.0×	582 0.6×	475 0.7×	124	4.0k
Andy Hopper United Kingdom	14	2.0k 0.7×	1.4k 0.7×	2.0k 1.9×	608 0.6×	352 0.5×	41	4.0k

Countries citing papers authored by Sumi Helal

Since Specialization

Citations

This map shows the geographic impact of Sumi Helal's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Sumi Helal with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Sumi Helal more than expected).

Fields of papers citing papers by Sumi Helal

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Sumi Helal. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Sumi Helal. The network helps show where Sumi Helal may publish in the future.

Co-authorship network of co-authors of Sumi Helal

This figure shows the co-authorship network connecting the top 25 collaborators of Sumi Helal. A scholar is included among the top collaborators of Sumi Helal based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Sumi Helal. Sumi Helal is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

1.

Yu, Zhiwen, et al.. (2025). A label knowledge graph powered multi-task framework for crowdsourcing and mobile crowd sensing tasks. Expert Systems with Applications. 270. 126562–126562.

2.

Xiong, Haoyi, 将尚渡辺, Yuchen Li, et al.. (2024). When Search Engine Services Meet Large Language Models: Visions and Challenges. IEEE Transactions on Services Computing. 17(6). 4558–4577. 19 indexed citations

3.

Motlagh, Naser Hossein, Huber Flores, Jiangtao Wang, et al.. (2024). Population Digital Health: Continuous Health Monitoring and Profiling at Scale. SHILAP Revista de lepidopterología. 16. e60261–e60261. 2 indexed citations

4.

Tao, Dan, et al.. (2022). PresSafe: Barometer-Based On-Screen Pressure-Assisted Implicit Authentication for Smartphones. IEEE Internet of Things Journal. 10(1). 285–302. 3 indexed citations

5.

Wang, Jiangtao, et al.. (2021). Enabling Cost-Effective Population Health Monitoring By Exploiting Spatiotemporal Correlation. Lancaster EPrints (Lancaster University). 2(2). 1–19. 9 indexed citations

6.

Wang, Jiangtao, et al.. (2021). RL-Recruiter+: Mobility-Predictability-Aware Participant Selection Learning for From-Scratch Mobile Crowdsensing. IEEE Transactions on Mobile Computing. 21(12). 4555–4568. 16 indexed citations

7.

Hanif, Muhammad Kashif, Choonhwa Lee, & Sumi Helal. (2020). Predictive topology refinements in distributed stream processing system. PLoS ONE. 15(11). e0240424–e0240424.

8.

Helal, Sumi, et al.. (2019). Energy Savings in Very Large Cloud-IoT Systems. Lancaster EPrints (Lancaster University). 5(1). 6–28. 2 indexed citations

9.

Helal, Sumi, et al.. (2018). Service-Relationship Programming Framework for the Social IoT. The Internet of Things. 4(1). 35–53. 7 indexed citations

10.

Helal, Sumi, et al.. (2017). Latency Optimization in Large-Scale Cloud-Sensor Systems. The Internet of Things. 3(1). 18–30.

11.

Wang, Jiangtao, Yasha Wang, Daqing Zhang, et al.. (2016). Fine-Grained Multitask Allocation for Participatory Sensing With a Shared Budget. IEEE Internet of Things Journal. 3(6). 1395–1405. 57 indexed citations

12.

Kim, Eunju & Sumi Helal. (2014). Training-Free Fuzzy Logic Based Human Activity Recognition. Journal of Information Processing Systems. 10(3). 335–354. 8 indexed citations

13.

Lee, Choonhwa, et al.. (2008). Impromptu Service Discovery and Delivery in Mobile Environments. Journal of information science and engineering. 24(6). 1733–1751. 1 indexed citations

14.

Bose, Raja, et al.. (2007). Virtual sensors for service oriented intelligent environments. Lancaster EPrints (Lancaster University). 16 indexed citations

15.

Helal, Sumi, Mounir Mokhtari, & Bessam Abdulrazak. (2007). Smart Technology for Aging, Disability, and Independence: Computer and Engineering Design and Applications. Wiley-Interscience eBooks. 4 indexed citations

16.

Helal, Sumi, et al.. (2005). RFID Information Grid for Blind Navigation and Wayfinding. 34–37. 112 indexed citations

17.

Helal, Sumi, et al.. (2002). mPCA – A mobile patient care-giving assistant for Alzheimer patients. 7 indexed citations

18.

Long, Darrell D. E. & Sumi Helal. (1996). TC On Operating Systems and Application Environments. Computer. 29(2). 74–75. 1 indexed citations

19.

Bhargava, Bharat, et al.. (1991). Analyzing Availability of Replicated Database Systems. Purdue e-Pubs (Purdue University System). 1. 10 indexed citations

20.

Elmagarmid, Ahmed K., et al.. (1986). Optimistic vs. Pessimistic Concurrency Control Algorithms: A Comparative Study.. Proceedings of the International Conference on Parallel Processing. 131–138. 1 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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