656 search results - page 21 / 132 » Marrying Words and Trees |
101
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JCB
2006
14 years 11 months ago
2006
Tree structures are useful for describing and analyzing biological objects and processes. Consequently, there is a need to design metrics and algorithms to compare trees. A natura...
100
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IS
2010
14 years 10 months ago
2010
Most work on pattern mining focuses on simple data structures such as itemsets and sequences of itemsets. However, a lot of recent applications dealing with complex data like chem...
135
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MFCS
2001
Springer
15 years 4 months ago
2001
Springer
We show that it is not possible to approximate the minimum Steiner tree problem within 1 + 1 162 unless RP = NP. The currently best known lower bound is 1 + 1 400. The reduction i...
129
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EMNLP
2004
15 years 1 months ago
2004
Given a parallel parsed corpus, statistical treeto-tree alignment attempts to match nodes in the syntactic trees for a given sentence in two languages. We train a probabilistic tr...
102
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DLT
2010
14 years 12 months ago
2010
We show that for every deterministic bottom-up tree transducer, a unique equivalent transducer can be constructed which is minimal. The construction is based on a sequence of norma...