nlp × 109
clustering × 86
lda × 67
optimization × 65
dataset × 40
python × 38
sampling × 37
data × 35
statistics × 34
implementation × 30
logistic-regression × 29
text-classification × 29
references × 28
feature-selection × 27
similarity × 25
unsupervised-learning × 22
regularization × 20
k-means × 19
online-learning × 19
modeling × 16
recommendation × 16
sparse × 16
semantic × 15
sentiment-analysis × 15
decision-trees × 14
large-scale × 14
parsing × 14
practical-advice × 14
visualization × 13
semi-supervised × 12
unsupervised × 12
applications × 10
boosting × 10
crossvalidation × 10
hashing × 10
l1 × 10
distance × 9
ensemble × 9
structured-prediction × 9
active-learning × 8
hyperparameters × 8
mapreduce × 8
model-selection × 8
accuracy × 7
code × 7
evaluation-methods × 7
language-model × 7
open-ended × 7
auc × 6
latent-variables × 6
machine-vision × 6
overfitting × 6
roc × 6
big-picture × 5
corpus × 5
grammar × 5
sparse-coding × 5
amazon × 4
faces × 4
scoring × 4
sparsity × 4
co-training × 3
data-collection × 3
face-detection × 3
parallelism × 3
representations × 3
taggers × 3
tuning × 3
validation-data × 3
word × 3
abstractions × 2
anomaly × 2
bootstrapping × 2
crowdflower × 2
crowdsourcing × 2
documents × 2
estimates × 2
feature-learning × 2
freely-available × 2
mood × 2
partitioning × 2
polarity × 2
random-numbers × 2
sparsification × 2
tokenization × 2
web-crawlers × 2
bar-graph × 1
bot-detection × 1
component-score × 1
composite-score × 1
distant-learning × 1
document-representations × 1
few-examples × 1
grammar-checking × 1
graphlab × 1
held-out-data × 1
history-based-models × 1
l0.5 × 1
moving-average × 1
moving-variance × 1
objective × 1
prng × 1
running-average × 1
semantic-orientation × 1
shared-tasks × 1
synonyms × 1
valence × 1
web-spiders × 1
word-representations × 1