CSS Extraction by Query Model
Step 1: For each query, we will do semantic tags
according to the component dictionary
The example:
Word by word
translation of
the query:
Please help me receive send
some about half pull light of
news
Step 2:  We analyze the CSSs found along with their
left context and right context in order to determine
the most probable CSS.
For this example, the two CSS vectors are: [6,9,4]
and [7,9,3]. From Query Model, p[6,9,4]=0 and
p[7,9,3]=0.03. Thus, the most probable core
semantic structure is [7, 9, 3] and the CSS (half)
(pull) (light) is extracted.