tech,4-1-A92-1027,ak presented . We present an efficient <term> algorithm </term> for <term> chart-based phrase structure
tech,6-1-A92-1027,ak efficient <term> algorithm </term> for <term> chart-based phrase structure parsing </term> of <term> natural language </term> that
other,11-1-A92-1027,ak phrase structure parsing </term> of <term> natural language </term> that is tailored to the problem of
other,22-1-A92-1027,ak the problem of extracting specific <term> information </term> from <term> unrestricted texts </term>
other,24-1-A92-1027,ak specific <term> information </term> from <term> unrestricted texts </term> where many of the <term> words </term>
other,30-1-A92-1027,ak unrestricted texts </term> where many of the <term> words </term> are unknown and much of the <term>
other,37-1-A92-1027,ak </term> are unknown and much of the <term> text </term> is irrelevant to the task . The <term>
tech,1-2-A92-1027,ak </term> is irrelevant to the task . The <term> parser </term> gains <term> algorithmic efficiency
other,3-2-A92-1027,ak task . The <term> parser </term> gains <term> algorithmic efficiency </term> through a reduction of its <term> search
other,10-2-A92-1027,ak efficiency </term> through a reduction of its <term> search space </term> . As each new <term> edge </term> is
other,3-3-A92-1027,ak <term> search space </term> . As each new <term> edge </term> is added to the <term> chart </term>
other,8-3-A92-1027,ak new <term> edge </term> is added to the <term> chart </term> , the <term> algorithm </term> checks
tech,11-3-A92-1027,ak added to the <term> chart </term> , the <term> algorithm </term> checks only the topmost of the <term>
other,18-3-A92-1027,ak </term> checks only the topmost of the <term> edges </term> adjacent to it , rather than all
other,27-3-A92-1027,ak adjacent to it , rather than all such <term> edges </term> as in conventional treatments . The
other,2-4-A92-1027,ak conventional treatments . The resulting <term> spanning edges </term> are insured to be the correct ones
other,18-4-A92-1027,ak carefully controlling the order in which <term> edges </term> are introduced so that every final
other,25-4-A92-1027,ak are introduced so that every final <term> constituent </term> covers the longest possible span
model,7-5-A92-1027,ak is facilitated through the use of <term> phrase boundary heuristics </term> based on the placement of <term> function
other,15-5-A92-1027,ak heuristics </term> based on the placement of <term> function words </term> , and by <term> heuristic rules </term>
hide detail