Table 1 Co-occurrence matrix M.

From: Emotion classification for short texts: an improved multi-label method

  

x1

x2

x3

x4

···

xn

ω1

L1

0

1

0

1

···

1

ω2

L2

1

0

1

0

···

1

ω3

L3

1

0

1

1

···

0

\(\vdots\)

\(\vdots\)

\(\vdots\)

\(\vdots\)

\(\vdots\)

\(\vdots\)

\(\vdots\)

\(\vdots\)

ωq

Lq

1

1

0

0

···

1