Abstract
Feature Selection (FS) methods alleviate key problems in classification procedures as they are used to improve classification accuracy, reduce data dimensionality, and remove irrelevant data. FS methods have received a great deal of attention from the text classification community. However, only a few literature surveys include them focusing on text classification, and the ones available are either a superficial analysis or present a very small set of work in the subject. For this reason, we conducted a Systematic Literature Review (SLR) that asses 1376 unique papers from journals and conferences published in the past eight years (2013–2020). After abstract screening and full-text eligibility analysis, 175 studies were included in our SLR. Our contribution is twofold. We have considered several aspects of each proposed method and mapped them into a new categorization schema. Additionally, we mapped the main characteristics of the experiments, identifying which datasets, languages, machine learning algorithms, and validation methods have been used to evaluate new and existing techniques. By following the SLR protocol, we allow the replication of our revision process and minimize the chances of bias while classifying the included studies. By mapping issues and experiment settings, our SLR helps researchers to develop and position new studies with respect to the existing literature.
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References
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Appendix A. List of acronyms
Appendix A. List of acronyms
- ACC:
-
Accuracy Measure
- ACC2:
-
Balanced Accuracy Measure
- ALOFT:
-
At Least One FeaTure
- ANOVA:
-
Analysis of Variance
- ACA:
-
Bit-priori Association Classification Algorithm
- BBHA:
-
Binary Black Hole Algorithm
- BFSM:
-
Blended Feature Selection Method
- BGSA:
-
Binary Gravitational Search Algorithm
- BMI:
-
Balanced Mutual Information
- BoDW:
-
Bag of Discriminative Words
- BoW:
-
Bag of Words
- BPSO:
-
Binary Particle Swarm Optimization
- CAS:
-
Correlative Association Score
- CDM:
-
Class Discriminating Measure
- CHI:
-
Chi-square
- CMFS:
-
Comprehensively Measure Feature Selection
- CNN:
-
Convolutional Neural Network
- CrowdFS:
-
Crowd-based Feature Selection
- CSO:
-
Cat Swarm Optimization
- DBN:
-
Deep Belief Network
- DF:
-
Document Frequency
- DFS:
-
Discriminative Features Selection
- DFS\(^{*}\):
-
Distinguishing Feature Selector
- DGBFS:
-
Diversified Greedy Backward-Forward Search
- DPP:
-
Discriminative Personal Purity
- DT:
-
Decision Tree
- EEFS:
-
Ensemble Embedded Feature Selection
- FRFS:
-
Fuzzy Rough Feature Selection
- FS:
-
Feature Selection
- GAWA:
-
Genetic Algorithm and Wrapper Approaches
- GFSS:
-
Global Filter-based Feature Selection Scheme
- GI:
-
Gini Index
- GPSO:
-
Geometric Particle Swarm Optimization
- HAN:
-
Hierarchical Attention Network
- HRFS:
-
Hebb Rule Based Feature Selection
- IDF:
-
Inverse Document Frequency
- IG:
-
Information Gain
- IPSO:
-
Improved Particle Swarm Optimization
- ISCA:
-
Improved Sine Cosine Algorithm
- KNN:
-
k-Nearest Neighbors
- LDA:
-
Latent Dirichlet Allocation
- LSAN:
-
Latent Selection Augmented Naive Bayes
- MBF:
-
Markov Blanket Filter
- MFS:
-
Meta Feature Selection
- MFSLFD:
-
Memetic Feature Selection based on Label Frequency Difference
- MI:
-
Mutual Information
- MMI:
-
Multivariate Mutual Information
- MMR:
-
Max-Min Ratio
- MOANOFS:
-
Multi-Objective Automated Negotiation based Online Feature Selection
- MORDC:
-
Multi-Objective Relative Discriminative Criterion
- MRDC:
-
Multivariate Relative Discrimination Criterion
- NB:
-
Naive Bayes
- NDM:
-
Normalized Difference Measure
- OR:
-
Odds Ratio
- OS-FS:
-
Optimized Swarm Search-based Feature Selection
- PCT:
-
Pairwise Comparison Transformation
- POS:
-
Part of Speech
- POSFilter:
-
Part of Speech Filter
- PSO:
-
Particle Swarm Optimization
- RCV1:
-
Reuters Corpus Volume I
- RDC:
-
Relative Discrimination Criterion
- RF:
-
Random Forest
- RFE:
-
Recursive Feature Elimination
- RP-GSO:
-
Random Projection and Gram-Schmidt Orthogonalization
- SAIG:
-
Sparsity Adjusted Information Gain
- SBATFS:
-
Spark BAT Feature Selection
- SIGCHI:
-
Square of Information Gain and Chi-square
- SLR:
-
Systematic Literature Review
- SMOTE:
-
Synthetic Minority Oversampling Technique
- SVM:
-
Support Vector Machines
- SVM-RFE:
-
Support Vector Machine-Recursive Feature Elimination
- SWA:
-
Small World Algorithm
- t-Test:
-
Student’s t-Test
- TF :
-
Term Frequency
- TF-IDF:
-
Term Frequency-Inverse Document Frequency
- WFSAIG:
-
Wrapper Feature Selection Algorithm based on Iterated Greedy
- WI-OMFS:
-
Wolf Intelligence Based Optimization of Multi-Dimensional Feature Selection Approach
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Pintas, J.T., Fernandes, L.A.F. & Garcia, A.C.B. Feature selection methods for text classification: a systematic literature review. Artif Intell Rev 54, 6149–6200 (2021). https://doi.org/10.1007/s10462-021-09970-6
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DOI: https://doi.org/10.1007/s10462-021-09970-6