The phrase "an ongoing research topic" is grammatically correct and can be used in written English.
It can be used to refer to a subject or subject area that is currently being studied or researched. Example: "Climate change has been an ongoing research topic for decades, with scientists constantly investigating its causes and effects."
However, fatigue design procedure is still an ongoing research topic.
How to effectively extend them for multiclass classification is still an ongoing research topic.
However, many forms of genetic algorithms rely on random starting points that are often poor solutions and the problem of how to efficiently provide good initial estimates of solution sets automatically is still an ongoing research topic.
However, SVMs in general are an ongoing research topic in an already well developed community.
The research of how to apply cold boot attacks for forensics is still an ongoing research topic [5, 29].
The starting point of the measurement validation and the appropriate threshold remain as an ongoing research topic.
In recent years, obtaining better results for time-delay systems has been still ongoing research topic, and it has been received more attention from the researchers.
The multi-scale processes of monsoons and the Baiu front under global warming conditions in cloud-system resolving simulations are another ongoing research topic (e.g,. Krishnamurthy et al. 2014).
It will be our ongoing research topic.
We expect the books of this series to reflect the current state of the art of some of the popular ongoing research topics in mathematical physics.
Pt-alloys with late transition metals have been firstly researched from the early 1980s, and various results reported that alloys with Ni and Co have the higher activities than Pt-based catalyst in terms of ORR [49], but low stabilities of those researches related with the dissolution during operation process were ongoing research topics.
