Table 2 Code clone detectors and their manifest including extracted feature, used dataset, and supported clone types
From: Are our clone detectors good enough? An empirical study of code effects by obfuscation
Tools | Venue | Method | Feature | Dataset | Clone Type | ||||
|---|---|---|---|---|---|---|---|---|---|
T1 | T2 | ST3 | MT3 | T4 | |||||
CCFinder (Kamiya et al. 2002) | TSE 2002 | token normalization + token-wised comparison | Token | JDK 1.3.0, FreeBSD 4.0 | ✓ | ✓ | |||
SDD (Lee and Jeong 2005) | OOPSLA 2005 | inverted index + N-neighbor | Text | JDK 1.5, httpd-2.0.54 | ✓ | ✓ | ✓ | ||
Deckard (Jiang et al. 2007) | ICSE 2007 | Locality Sensitive Hash | AST | JDK 1.4.2, Linux kernel 2.6.16 | ✓ | ✓ | ✓ | ||
SourcererCC (Sajnani et al. 2016) | ICSE 2016 | Filtering Heuristics | Token | BigCloneBench, Mutation/Injection | ✓ | ✓ | ✓ | ||
Oreo (Saini et al. 2018) | ESEC/FSE 2018 | action token + metric comparison | Token | BigCloneBench | ✓ | ✓ | ✓ | ||
CCAligner (Wang et al. 2018) | ICSE 2018 | code window + edit distance | Token | JDK 1.2.2, OpenNLP 1.8.1 | ✓ | ✓ | ✓ | ||
DeepSim (Zhao and Huang 2018) | FSE 2018 | Multilayer Perceptron | CFG | BigCloneBench, GCJ | ✓ | ✓ | ✓ | ✓ | ✓ |
ASTNN (Zhang et al. 2019) | ICSE 2019 | Bidirectional RNN | AST | BigCloneBench | ✓ | ✓ | ✓ | ✓ | ✓ |
CCLearner (Li et al. 2017) | ICSME 2017 | DNNs | Token | BigCloneBench | ✓ | ✓ | ✓ | ✓ | |