Table 1.
Acknowledgements categories of previous studies.
Fig 1.
Overall procedure of proposed approach.
Table 2.
Categories of acknowledgements in this study.
Table 3.
Examples of noun phrase patterns in each type of acknowledgements category.
Table 4.
Number of sentences for each category.
Fig 2.
Performance results of seven classifiers.
Fig 3.
Overall procedure of text conversion.
Table 5.
Examples of text representations.
Fig 4.
Frequency distribution for original dataset.
Fig 5.
Frequency distribution for converted dataset.
Table 6.
Performance result of classification algorithms (F1-measure).
Table 7.
Average of proportional performance results on categories with original dataset.
Table 8.
Average of proportional performance results on categories with converted dataset.
Fig 6.
Performance comparison by accuracy measures on original and converted datasets.