Last homework exercise

• This exercise is not limited to any particular article, but the collection given for the course (the list of 12 articles).
• Use citations (the more, the better).
• You may also suggest your own solutions, or solutions given outside the course material.
• Be concise and limit your output to two pages.
• Return the answer at the final meeting (28 Nov).
• 1 extra homework point can be obtained by a good answer (normal answer => 1p, good answer => 1+1p)

Describe ways to improve retrieval performance in the TREC-style tasks in spoken document retrieval (SDR)