unification </term> remains the most expensive part of <term> unification-based grammar parsing
focus on one speed-up element in the design of <term> unification algorithms </term> : avoidance
unification algorithms </term> : avoidance of <term> copying </term> of <term> unmodified
</term> : avoidance of <term> copying </term> of <term> unmodified subgraphs </term> . We propose
unmodified subgraphs </term> . We propose a method of attaining such a design through a method
attaining such a design through a method of <term> structure-sharing </term> which avoids
tech,24-3-C92-2068,bq associated with <term> structure-sharing of graphs </term> without any use of costly <term>
structure-sharing of graphs </term> without any use of costly <term> dependency pointers </term> .
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