machine-learning × 184
nlp × 109
classification × 108
clustering × 86
dataset × 40
sampling × 37
statistics × 34
evaluation × 26
unsupervised-learning × 22
online-learning × 19
text × 14
applications × 10
estimation × 10
summarization × 10
performance × 8
accuracy × 7
comparison × 7
evaluation-methods × 7
labeling × 7
streaming-data × 7
annotation × 6
precision × 6
survey × 6
corpora × 5
corpus × 5
hypothesis-testing × 5
sequence-labeling × 5
image × 4
information-extraction × 4
recall × 4
resources × 4
spectral × 4
speech × 4
confusion-matrix × 3
methodology × 3
metric × 3
elda × 2
labeled-data × 2
ldc × 2
mutual-information × 2
rouge × 2
v-measure × 2
20-newsgroups × 1
baseline × 1
chess × 1
contingency-table × 1
cross-validation × 1
effectiveness × 1
empirical-study × 1
kappa × 1
negative-predictive-value × 1
proportion × 1
single-document × 1
speech-recognition × 1
transcription × 1