linking Kotus with FinWordnet

lib/src/finnish/kotus/src/Kotus.hs

@@ -1,11 +1,51 @@
--- lookup the Kotus list
+-- lookup the Kotus list. AR 17/3/2013
+-- lookup a word: 
+--   - if found with declension, return this
+--   - if found without declension, look up as compound (INCOMPOUND), with the latter part's declension
+--   - if not found, look up as compound (OUTCOMPOUND), with the latter part's declension
+-- This is performed line by line on standard input and written into standard output
+-- 25/3: 93,696 words, 2628 not found, 6964 unsure
+-- 26/3: new heuristics for adjectives of type "älyperäinen", 1258 not found
 
+import Data.List
+import Data.Char
 import qualified Data.Map as M
 
 main = do
   kotus <- readFile "kotus-sanalista_v1.xml" >>= return . mkKotus . lines
-  mapM_ print $ take 6 $ M.toList kotus -- debug
+-- do lookup
-  interact $ unlines . map (look kotus) . lines
+----  interact $ unlines . map (look kotus) . lines
+
+--- just print all words
+---  mapM_ (putStrLn . fst) $ M.toList kotus
+--- debug
+---  mapM_ print $ take 60 $ M.toList kotus -- debug
+
+-- analyse fin wordnet senses
+  interact $ unlines . map (annotateWordnet kotus) . lines
+
+
+annotateWordnet :: Kotus -> String -> String
+annotateWordnet kotus line = case cat of
+  "V" -> untabs (take 2 tline ++ [cat, lookk ((iline !! 1) !! 0)]) -- fi:v02758977 sataa lunta 0   -> sataa
+  _   -> untabs (take 2 tline ++ [cat, lookk (last (iline !! 1))]) -- fi:n02769075 näytön taustakuva 0 -> taustakuva
+ where
+  iline = map words (init tline)
+  tline = tabs line
+  cat = case line !! 3 of -- fi:v0276... -> v
+    'v' -> "V"
+    'a' -> "A"
+    'n' -> "N"
+    'r' -> "Adv"
+  lookk = unwords . tail . words . look kotus  -- remove repetition of lemma
+
+tabs :: String -> [String]
+tabs s = case break (=='\t') s of
+  (s1,_:s2) -> s1 : tabs s2
+  _ -> [s]
+
+untabs :: [String] -> String
+untabs = concat . intersperse "\t"
 
 look :: Kotus -> String -> String
 look kotus w = case M.lookup w kotus of
@@ -14,26 +54,31 @@ look kotus w = case M.lookup w kotus of
   _ -> lookCompound "OUTCOMPOUND" kotus w
 
 lookCompound :: String -> Kotus -> String -> String
-lookCompound pref kotus w = case concatMap looks (splits w) of
+lookCompound pref kotus w = case sort (concatMap looks (splits w)) of  -- sort: 1's first
-  descr:_ -> unwords $ w : [descr] 
+  (_,descr):_ -> unwords $ w : [descr] 
-  _ -> unwords $ w : pref : ["NOTFOUND"]
+  _ -> unwords $ w : ["NOTFOUND",pref]
  where
    splits s = reverse [splitAt n s | n <- [3 .. length s - 3]]
    looks (x,y) = case M.lookup y kotus of 
-     Just descr | elem x compPrefixes || any isCompPrefix (compForms x) -> [unwords $ pref : x : y : descr]
+     Just descr | elem x compPrefixes || any isCompPrefix (compForms x) -> [(1,unwords $ x : y : descr ++ [pref])] -- preferred: 1
+     Just descr -> [(2,unwords $ x : y : descr ++ ["UNSURE", pref])] -- secondary: 2
+     _ | drop (length y - 3) y == "nen" && (elem x compPrefixes || any isCompPrefix (compForms x)) 
+                                      -> [(3,unwords $ x : y : ["38","UNSURE",pref])] -- tertiary: 3
      _ -> []
    isCompPrefix x = case M.lookup x kotus of
      Just _ -> True
-     _ -> False
+     _ -> case M.lookup (x ++ "-") kotus of
+       Just _ -> True
+       _ -> False
    compForms x = let (initx,lastx) = (init x,last x) in 
                  x : [initx ++ "nen" | lastx == 's'] ++ [initx | elem lastx "n-" ] -- pakkas-, pakkanen
-   compPrefixes = ["epä","ylä"]
+   compPrefixes = ["epä","ylä","yö"] -- yö is the only 2-letter word
      
 
 type Kotus = M.Map String [String]
 
 mkKotus :: [String] -> Kotus
-mkKotus = M.fromList . map oneKotusLine . filter isWord
+mkKotus = M.fromList . groupHomonyms . map oneKotusLine . filter isWord
 
 isWord = (=="<st>") . take 4
 
@@ -45,8 +90,17 @@ oneKotusLine s = case untag s of w:ws -> (w,ws)
 
 untag s = case break (=='<') (drop 7 s) of 
   (w,d) -> case drop 4 d of
-    '<':'t':'>':_ -> [w, take 2 (drop 11 d), drop 18 d]  -- 99, </st>
+    '<':'t':'>':_ -> [w, takeWhile isDigit (drop 11 d), rest (drop 11 d)]  -- 99, </st>
+    '<':'h':'n':'>':h:'<':'/':'h':'n':'>':'<':'t':'>':_ -> [w, ['H',h], takeWhile isDigit (drop 21 d), rest (drop 21 d)]  -- homonym
     _ -> [w, "NOPAR"]  -- no paradigm given
+ where
+   rest t = case t of
+     '<':'a':'v':'>':_ -> "A"
+     _:cs -> rest cs
+     _ -> []
+
+groupHomonyms :: [(String,[String])] -> [(String,[String])]
+groupHomonyms ws = [(w,concat (intersperse [";"] (map snd wds))) | wds@((w,_):_) <- groupBy (\x y -> fst x == fst y) ws]