Time-Dependent
Similarity Measure -2
n
Use time-dependent co-occurrence relationships
between HLFs in parallel corpus to relate them
n
fire + explosion
n
Time period t
1
à
high
n
Time period t
2
à
low
n
car + plane
n
Most time period
à
low
n
car + boat
n
most time period
à
low
n
Compute mutual info between HLF
i
and HLFj
n
Based on news articles in external source in the last 3 days
n
The similarity is modified as:
à
Which time period we are in?