Despite the prodigious efforts expended on IR research over the past 30-40 years, and some remarkable breakthroughs, major issues in information seeking process remains unresolved. A major contributory factor is difficulty of formulating one's information need in a way that takes the user's context and task into account. Personalization and adaptation techniques are proposed to address many such difficulties, however, developments in this area are hampered by the difficulties in evaluating adaptive search systems. In my talk, I will describe our recent efforts to develop personalised and adaptive information retrieval techniques and how we have endeavoured to evaluate it.

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