14. The method of claim 12 , wherein a probability of the expansion being correct given the abbreviation and the context, P(E|AC), is proportional to P ⁡ ( E ❘ A ) ⁢ ∏ i ⁢ ⁢ P ⁡ ( c i ❘ A ⁢ ⁢ C ) , where E is the expansion, A is the abbreviation, C is the context, and c i is a context word.
14. The method of claim 12 , wherein a probability of the expansion being correct given the abbreviation and the context, P(E|AC), is proportional to P ⁡ ( E ❘ A ) ⁢ ∏ i ⁢ ⁢ P ⁡ ( c i ❘ A ⁢ ⁢ C ) , where E is the expansion, A is the abbreviation, C is the context, and c i is a context word. 15. The method of claim 14 , wherein P(E|A) is given by: P ⁡ ( E ❘ A ) = ∑ e ⁢ ⁢ ε ⁢ ⁢ colinked ⁡ ( A ) ⁢ ⁢ Weight ( e ) ∑ G ⁢ ⁢ ∑ g ⁢ ⁢ ε ⁢ ⁢ colinked ⁡ ( A ) ⁢ ⁢ Weight ⁡ ( g ) ⁢ ⁢ ( 1 - P ⁡ ( E A ❘ A ) ) , where colinked(A) is a set of all anchor texts that have co-linked pages with A when A is anchor text, Weight(e) is a link-weight of anchor text e, e is an anchor text of E, and g is an anchor text of G where G can be any text.