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--- courses:rg:2013:jacana-align [2013/11/04 22:01]
popel
+++ courses:rg:2013:jacana-align [2013/11/04 22:22] (current)
popel
@@ Line 2: / Line 2: @@
 Slides accompanying the article are located at [[http://cs.jhu.edu/~xuchen/paper/yao-jacana-wordalign-acl2013.ppt]]
-**1/** Describe parameters of feature function in section 3.1. Is there something unclear?
+**1/** Describe parameters of feature function in section 3.1. Is there something unclear in the formula?
 **2/** Section 3.1 describes a problem with unknown number of states.
@@ Line 10: / Line 10: @@
 How many states will be used?
-**3/** Search WordNet (http://wordnetweb.princeton.edu/perl/webwn) for following words and write answers:
+**3/** Search WordNet (http://wordnetweb.princeton.edu/perl/webwn) for words "married" and "husband". Which (non-zero) WordNet features will be triggered for these two words?
-**a /** Imagine, that source sentence contains word //"well"// and target //"part"//.
-Find differences with incorporating POS tagger and without it. How big will be gain in number of comparisons (just roughly)?
-**b/** Is there a synset containing both //"well"// and //"water"// words?
-**4/** Have a look at Table 3. How big was the gain from incorporating Wordnet with POS tagger? Would you use two external resources for this gain (refer to the discussion in section 4.6)?
+**a/** using POS tagger
+**b/** without POS tagger
-**5/** Why do you think, the authors add Hamming distance into the first formula in section 3.1. Can normalization function work without it?
+**4/** Why do you think, the authors add Hamming distance (cost) into the first formula in Section 3.1. Can the normalization function Z work without it?

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