;;;; -*- Mode: Lisp; Syntax: ANSI-Common-Lisp; Base: 10; Package: umlisp -*-
;;;; *************************************************************************
;;;; FILE IDENTIFICATION
;;;;
;;;; Name:          sql-classes.lisp
;;;; Purpose:       Routines for reading UMLS objects from SQL database
;;;; Author:        Kevin M. Rosenberg
;;;; Date Started:  Apr 2000
;;;;
;;;; $Id: sql-classes.lisp,v 1.46 2003/05/03 20:56:57 kevin Exp $
;;;;
;;;; This file, part of UMLisp, is
;;;;    Copyright (c) 2000-2002 by Kevin M. Rosenberg, M.D.
;;;;
;;;; UMLisp users are granted the rights to distribute and use this software
;;;; as governed by the terms of the GNU General Public License.
;;;; *************************************************************************

(in-package :umlisp)
(declaim (optimize (compilation-speed 0) (debug 3)))


(defvar *current-srl* nil)
(defun current-srl ()
  *current-srl*)
(defun current-srl! (srl)
  (setq *current-srl* srl))

(defmacro with-umlisp-query ((table fields srl where-name where-value
				    &key (lrlname "KCUILRL") distinct single
				    order like)
			     &body body)
  (if single
    `(unless (and ,where-name (not ,where-value)) 
      (let ((tuple (car (umlisp-query ,table ,fields ,srl ,where-name ,where-value
				      :lrlname ,lrlname :single ,single
				      :distinct ,distinct :order ,order :like ,like))))
	(when tuple
	  (destructuring-bind ,fields tuple
	    ,@body))))
    `(unless (and ,where-name (not ,where-value)) 
      (loop for tuple in
       (umlisp-query ,table ,fields ,srl ,where-name ,where-value
	:lrlname ,lrlname :single ,single :distinct ,distinct :order ,order :like ,like)
       collect (destructuring-bind ,fields tuple
		 ,@body)))))

(defmacro umlisp-query (table fields srl where-name where-value
		     &key (lrlname "KCUILRL") single distinct order like)
  "Query the UMLisp database. Return a list of umlisp objects whose name
is OBJNAME from TABLE where WHERE-NAME field = WHERE-VALUE with FIELDS"
  `(when (or (not ,where-name) ,where-value)
    (mutex-sql-query
     (query-string-macro ,table ,fields ,srl ,where-name ,where-value 
      :lrlname ,lrlname :single ,single :distinct ,distinct :order ,order :like ,like))))

  
(defmacro query-string-macro (table fields &optional srl where-name where-value
			&key (lrlname "KCUILRL") single distinct order like)
  (let* ((%%fields (format nil "select ~A~{~:@(~A~)~^,~} from ~:@(~A~)"
			   (if distinct "distinct " "") fields table))
	 (%%order (if order (format nil " order by ~{~:@(~A~) ~(~A~)~^,~}" order) ""))
	 (%%lrl (format nil " and ~:@(~A~) <= ~~D" lrlname))
	 (%%where (format nil " where ~:@(~A~)~A" where-name
			  (if like " like " "="))))
    `(concatenate
      'string
      ,%%fields
      ,@(when %%where (list %%where))
      (if (quote ,where-name)
	  (if (stringp ,where-value)
	      (format nil ,(if like "'%~A%'" "'~A'") ,where-value)
	      (write-to-string ,where-value))
	  "")
      (if ,srl (format nil ,%%lrl ,srl) "")
      ,@(when %%order (list %%order))
      ,@(when single (list " limit 1")))))

(defun query-string (table fields &optional srl where-name where-value
		     &key (lrlname "KCUILRL") single distinct order like)
  (concatenate
   'string
   (format nil "select ~A~{~:@(~A~)~^,~} from ~:@(~A~)" 
	   (if distinct "distinct " "") fields table)
   (if where-name
       (format nil
	       (if (stringp where-value)
		   (if like
		       " where ~A like '%~A%'"
		       " where ~A='~A'")
		   " where ~A=~A")
	       where-name  where-value)
       "")
   (if srl (format nil " and ~:@(~A~) <= ~D" lrlname srl) "")
   (if order (format nil " order by ~{~:@(~A~) ~(~A~)~^,~}" order) "")
   (if single " limit 1" "")))

(defun find-ucon-cui (cui &key (srl *current-srl*))
  "Find ucon for a cui"
  (with-umlisp-query (mrcon (kpfstr kcuilrl) srl cui (parse-cui cui) :single t)
    (make-instance 'ucon :cui (parse-cui cui)
		   :pfstr kpfstr
		   :lrl (ensure-integer kcuilrl))))

(defun find-ucon-cui-old (cui &key (srl *current-srl*))
  "Find ucon for a cui"
  (when (stringp cui) (setq cui (parse-cui cui)))
  (when cui
    (let ((ls (format nil "select KPFSTR,KCUILRL from MRCON where CUI=~d" cui)))
      (when srl
	(string-append ls (format nil " and KCUILRL <= ~d" srl)))
      (string-append ls " limit 1")
      (let ((tuple (car (mutex-sql-query ls))))
	(destructuring-bind (kpfstr kcuilrl) tuple
	  (make-instance 'ucon :cui cui :pfstr kpfstr
			 :lrl (ensure-integer kcuilrl)))))))

(defun find-ucon-cui-sans-pfstr (cui &key (srl *current-srl*))
  "Find ucon for a cui"
  (with-umlisp-query ('mrcon (kcuilrl) srl 'cui (parse-cui cui) :single t)
    (make-instance 'ucon :cui (parse-cui cui)
		   :lrl (ensure-integer kcuilrl)
		   :pfstr nil)))

(defun find-pfstr-cui (cui &key (srl *current-srl*))
  "Find preferred string for a cui"
  (with-umlisp-query ('mrcon (kpfstr) srl 'cui (parse-cui cui) :single t)
    kpfstr))

(defun find-ucon-lui (lui &key (srl *current-srl*))
  "Find list of ucon for lui"
  (with-umlisp-query ('mrcon (cui kpfstr kcuilrl) srl 'lui (parse-lui lui) :distinct t)
    (make-instance 'ucon :cui (ensure-integer cui)
		   :pfstr kpfstr
		   :lrl (ensure-integer kcuilrl))))

(defun find-ucon-sui (sui &key (srl *current-srl*))
  "Find list of ucon for sui"
  (with-umlisp-query ('mrcon (cui kpfstr kcuilrl) srl 'sui (parse-sui sui) :distinct t)
    (make-instance 'ucon :cui (ensure-integer cui)
		   :pfstr kpfstr
		   :lrl (ensure-integer kcuilrl))))

(defun find-ucon-cuisui (cui sui &key (srl *current-srl*))
  "Find ucon for cui/sui"
  (when (and cui sui)
    (with-umlisp-query ('mrcon (cui kpfstr kcuilrl) srl 'kcuisui 
			       (make-cuisui (parse-cui cui) (parse-sui sui)))
      (make-instance 'ucon :cui (ensure-integer cui)
		     :pfstr kpfstr
		     :lrl (ensure-integer kcuilrl)))))

(defun find-ucon-str (str &key (srl *current-srl*))
  "Find ucon that are exact match for str"
  (with-umlisp-query ('mrcon (cui kpfstr kcuilrl) srl 'str str :distinct t)
    (make-instance 'ucon :cui (ensure-integer cui) :pfstr kpfstr
		   :lrl (ensure-integer kcuilrl))))

(defun find-ucon-all (&key (srl *current-srl*))
  "Return list of all ucon's"
  (with-sql-connection (db)
    (clsql:map-query 
     'list
     #'(lambda (cui pfstr cuilrl)
	 (make-instance 'ucon :cui (ensure-integer cui)
			:pfstr pfstr
			:lrl (ensure-integer cuilrl)))
     (query-string 'mrcon '(cui kpfstr kcuilrl) srl nil nil
		   :order '(cui asc) :distinct t)
     :database db)))

(defun map-ucon-all (fn &key (srl *current-srl*))
  "Map a function over all ucon's"
  (with-sql-connection (db)
    (clsql:map-query 
     nil
     #'(lambda (cui pfstr cuilrl)
	 (funcall fn
		  (make-instance 'ucon :cui (ensure-integer cui)
				 :pfstr pfstr
				 :lrl (ensure-integer cuilrl))))
     (query-string 'mrcon '(cui kpfstr kcuilrl) srl nil nil :order '(cui asc) :distinct t)
     :database db)))


(defun find-udef-cui (cui &key (srl *current-srl*))
  "Return a list of udefs for cui"
  (with-umlisp-query ('mrdef (sab def) srl 'cui (parse-cui cui) :lrlname "KSRL")
    (make-instance 'udef :sab sab :def def)))

(defun find-usty-cui (cui &key (srl *current-srl*))
  "Return a list of usty for cui"
  (with-umlisp-query ('mrsty (tui sty) srl 'cui (parse-cui cui) :lrlname "KLRL")
    (make-instance 'usty :tui (ensure-integer tui) :sty sty)))

(defun find-usty-word (word &key (srl *current-srl*))
  "Return a list of usty that match word"
  (with-umlisp-query ('mrsty (tui sty) srl 'sty word :lrlname 'klrl :like t :distinct t)
    (make-instance 'usty :tui (ensure-integer tui) :sty sty)))

(defun find-urel-cui (cui &key (srl *current-srl*))
  "Return a list of urel for cui"
  (with-umlisp-query ('mrrel (rel cui2 rela sab sl mg kpfstr2) srl 'cui1 (parse-cui cui) :lrlname "KSRL")
    (make-instance 'urel :cui1 (parse-cui cui) :rel rel :cui2 (ensure-integer cui2) :rela rela
		   :sab sab :sl sl :mg mg :pfstr2 kpfstr2)))

(defun find-urel-cui2 (cui2 &key (srl *current-srl*))
  "Return a list of urel for cui2"
  (with-umlisp-query ('mrrel (rel cui1 rela sab sl mg kpfstr2) srl 'cui2 (parse-cui cui2) :lrlname "KSRL")
    (make-instance 'urel :cui2 (parse-cui cui2) :rel rel :cui1 (ensure-integer cui1) :rela rela
		   :sab sab :sl sl :mg mg :pfstr2 kpfstr2)))

(defun find-ucon-rel-cui2 (cui2 &key (srl *current-srl*))
  (mapcar 
   #'(lambda (cui) (find-ucon-cui cui :srl srl))
   (remove-duplicates (mapcar #'cui1 (find-urel-cui2 cui2 :srl srl)))))

(defun find-ucoc-cui (cui &key (srl *current-srl*))
  "Return a list of ucoc for cui"
  (with-umlisp-query ('mrcoc (cui2 soc cot cof coa kpfstr2) srl 'cui1 (parse-cui cui) 
			     :lrlname "KSRL" :order '(cof asc))
    (setq cui2 (ensure-integer cui2))
    (when (zerop cui2) (setq cui2 nil))
    (make-instance 'ucoc :cui1 (parse-cui cui) :cui2 (ensure-integer cui2) :soc soc :cot cot
		   :cof (ensure-integer cof) :coa coa :pfstr2 kpfstr2)))

(defun find-ucoc-cui2 (cui2 &key (srl *current-srl*))
  "Return a list of ucoc for cui2"
  (with-umlisp-query ('mrcoc (cui1 soc cot cof coa kpfstr2) srl 'cui2 (parse-cui cui2) 
			     :lrlname "KSRL" :order '(cof asc))
    (setq cui2 (ensure-integer cui2))
    (when (zerop cui2) (setq cui2 nil))
    (make-instance 'ucoc :cui1 (ensure-integer cui1) :cui2 (parse-cui cui2) :soc soc :cot cot
		   :cof (ensure-integer cof) :coa coa :pfstr2 kpfstr2)))

(defun find-ucon-coc-cui2 (cui2 &key (srl *current-srl*))
  "List of ucon with co-occurance cui2"
  (mapcar 
   #'(lambda (cui) (find-ucon-cui cui :srl srl))
   (remove-duplicates (mapcar #'cui1 (find-ucoc-cui2 cui2 :srl srl)))))

(defun find-ulo-cui (cui &key (srl *current-srl*))
  "Return a list of ulo for cui"
  (with-umlisp-query ('mrlo (isn fr un sui sna soui) srl 'cui (parse-cui cui) :lrlname "KLRL")
    (make-instance 'ulo :isn isn :fr (ensure-integer fr) :un un :sui (ensure-integer sui) :sna sna
		   :soui soui)))

(defgeneric suistr (lo))
(defmethod suistr ((lo ulo))
  "Return the string for a ulo object"
  (find-string-sui (sui lo)))

(defun find-uatx-cui (cui &key (srl *current-srl*))
  "Return a list of uatx for cui"
  (with-umlisp-query ('mratx (sab rel atx) srl 'cui (parse-cui cui) :lrlname 'ksrl)
    (make-instance 'uatx :sab sab :rel rel :atx atx)))


(defun find-uterm-cui (cui &key (srl *current-srl*))
  "Return a list of uterm for cui"
  (with-umlisp-query ('mrcon (lui lat ts kluilrl) srl 'cui (parse-cui cui) :lrlname 'kluilrl
			     :distinct t)
    (make-instance 'uterm :lui (ensure-integer lui) :cui (parse-cui cui)
		   :lat lat :ts ts :lrl (ensure-integer kluilrl))))

(defun find-uterm-lui (lui &key (srl *current-srl*))
  "Return a list of uterm for lui"
  (with-umlisp-query ('mrcon (cui lat ts kluilrl) srl 'lui (parse-lui lui) 
			     :lrlname 'kluilrl :distinct t)
    (make-instance 'uterm :cui (ensure-integer cui) :lui (parse-lui lui)
		   :lat lat :ts ts :lrl (ensure-integer kluilrl))))

(defun find-uterm-cuilui (cui lui &key (srl *current-srl*))
  "Return single uterm for cui/lui"
  (with-umlisp-query ('mrcon (lat ts kluilrl) srl 'kcuilui
			     (make-cuilui (parse-cui cui) (parse-lui lui))
			     :lrlname 'kluilrl :single t)
    (make-instance 'uterm :cui cui :lui lui :lat lat :ts ts :lrl (ensure-integer kluilrl))))

(defun find-ustr-cuilui (cui lui &key (srl *current-srl*))
  "Return a list of ustr for cui/lui"
  (with-umlisp-query ('mrcon (sui stt str lrl) srl 'kcuilui (make-cuilui cui lui) :lrlname 'lrl)
    (make-instance 'ustr :sui (ensure-integer sui) :cui cui :lui lui
		   :cuisui (make-cuisui cui sui) :stt stt :str str
		   :lrl (ensure-integer lrl))))

(defun find-ustr-cuisui (cui sui &key (srl *current-srl*))
  "Return the single ustr for cuisui"
  (with-umlisp-query ('mrcon (lui stt str lrl) srl 'kcuisui (make-cuisui cui sui) :lrlname 'lrl :single t)
    (make-instance 'ustr :sui sui :cui cui :cuisui (make-cuisui cui sui)
		   :lui (ensure-integer lui) :stt stt :str str :lrl (ensure-integer lrl))))

(defun find-ustr-sui (sui &key (srl *current-srl*))
  "Return the list of ustr for sui"
  (with-umlisp-query ('mrcon (cui lui stt str lrl) srl 'sui (parse-sui sui) :lrlname 'lrl)
    (make-instance 'ustr :sui sui :cui cui :stt stt :str str
		   :cuisui (make-cuisui (ensure-integer cui) (parse-sui sui))
		   :lui (ensure-integer lui)
		   :lrl (ensure-integer lrl))))
      
(defun find-ustr-sab (sab &key (srl *current-srl*))
  "Return the list of ustr for sab"
  (with-umlisp-query ('mrso (kcuisui) srl 'sab sab :lrlname 'srl)
    (let ((cuisui (ensure-integer kcuisui)))
      (apply #'find-ustr-cuisui 
	     (append
	      (multiple-value-list (decompose-cuisui cuisui)) (list :srl srl))))))

(defun find-ustr-all (&key (srl *current-srl*))
  "Return list of all ustr's"
    (with-sql-connection (db)
      (clsql:map-query 
       'list
       #'(lambda (cui lui sui stt lrl pfstr)
	   (setq cui (ensure-integer cui))
	   (setq lui (ensure-integer lui))
	   (setq sui (ensure-integer sui))	
	   (setq lrl (ensure-integer lrl))
	   (make-instance 'ustr :cui cui
			  :lui lui
			  :sui sui
			  :cuisui (make-cuisui cui sui)
			  :stt stt
			  :lrl lrl
			  :str pfstr))
       (query-string 'mrcon '(cui lui sui stt lrl kpfstr) srl nil nil :lrlname 'lrl :distinct t
		     :order '(sui asc))
       :database db)))

(defun find-string-sui (sui &key (srl *current-srl*))
  "Return the string associated with sui"
  (with-umlisp-query ('mrcon (str) srl 'sui sui :lrlname 'lrl :single t)
    str))

(defun find-uso-cuisui (cui sui &key (srl *current-srl*))
  (with-umlisp-query ('mrso (sab code srl tty) srl 'kcuisui (make-cuisui cui sui) :lrlname 'srl)
      (make-instance 'uso :sab sab :code code :srl srl :tty tty)))

(defun find-ucxt-cuisui (cui sui &key (srl *current-srl*))
  (with-umlisp-query ('mrcxt (sab code cxn cxl rnk cxs cui2 hcd rela xc) srl 'kcuisui
			     (make-cuisui cui sui) :lrlname 'ksrl)
    (make-instance 'ucxt :sab sab :code code
		   :cxn (ensure-integer cxn)
		   :cxl cxl :cxs cxs :hcd hcd :rela rela :xc xc
		   :rnk (ensure-integer rnk)
		   :cui2 (ensure-integer cui2))))

(defun find-usat-ui (cui &optional (lui nil) (sui nil) &key (srl *current-srl*))
  (let ((ls (format nil "select CODE,ATN,SAB,ATV from MRSAT where ")))
    (cond
      (sui (string-append ls (format nil "KCUISUI=~d" (make-cuisui cui sui))))
      (lui (string-append ls (format nil "KCUILUI=~d and sui=0" (make-cuilui cui lui))))
      (t (string-append ls (format nil "cui=~d and lui=0 and sui=0" cui))))
    (when srl
      (string-append ls (format nil " and KSRL <= ~d" srl)))
    (let ((usats '()))
      (dolist (tuple (mutex-sql-query ls))
	(destructuring-bind (code atn sab atv) tuple
	  (push (make-instance 'usat :code code :atn atn :sab sab :atv atv)
		usats)))
      (nreverse usats))))


(defun find-usty-tui (tui)
  "Find usty for tui"
  (with-umlisp-query ('mrsty (sty) nil 'tui (parse-tui tui) :single t)
    (make-instance 'usty :tui (parse-tui tui) :sty sty)))

(defun find-usty-sty (sty)
  "Find usty for a sty"
  (with-umlisp-query ('mrsty (tui) nil 'sty sty :single t)
    (make-instance 'usty :tui (ensure-integer tui) :sty sty)))

(defun find-usty-all ()
  "Return list of usty's for all semantic types"
  (with-umlisp-query ('mrsty (tui) nil nil nil :distinct t)
    (find-usty-tui tui)))

(defun find-usab-all ()
  "Find usab for a key"
  (with-umlisp-query ('mrsab (vcui rcui vsab rsab son sf sver mstart mend imeta rmeta slc scc srl tfr cfr cxty ttyl atnl lat cenc curver sabin) nil nil nil)
    (make-instance 'usab :vcui (ensure-integer vcui) 
		   :rcui (ensure-integer rcui)
		   :vsab vsab :rsab rsab :son son :sf sf :sver sver :mstart mstart
		   :mend mend :imeta imeta :rmeta rmeta :slc slc :scc scc
		   :srl (ensure-integer srl) 
		   :tfr (ensure-integer tfr) :cfr (ensure-integer cfr)
		   :cxty cxty :ttyl ttyl :atnl atnl :lat lat :cenc cenc
		   :curver curver :sabin sabin)))

(defun find-usab-by-key (key-name key)
  "Find usab for a key"
  (with-umlisp-query ('mrsab (vcui rcui vsab rsab son sf sver mstart mend imeta rmeta slc scc srl tfr cfr cxty ttyl atnl lat cenc curver sabin) nil key-name key :single t)
    (make-instance 'usab :vcui (ensure-integer vcui) 
		   :rcui (ensure-integer rcui)
		   :vsab vsab :rsab rsab :son son :sf sf :sver sver :mstart mstart
		   :mend mend :imeta imeta :rmeta rmeta :slc slc :scc scc
		   :srl (ensure-integer srl) 
		   :tfr (ensure-integer tfr) :cfr (ensure-integer cfr)
		   :cxty cxty :ttyl ttyl :atnl atnl :lat lat :cenc cenc
		   :curver curver :sabin sabin)))

(defun find-usab-rsab (rsab)
  "Find usab for rsab"
  (find-usab-by-key "RSAB" rsab))

(defun find-usab-vsab (vsab)
  "Find usab for vsab"
  (find-usab-by-key "VSAB" vsab))

(defun find-cui-max ()
  (ensure-integer (caar (mutex-sql-query "select max(CUI) from MRCON"))))

;;;; Cross table find functions

(defun find-ucon-tui (tui &key (srl *current-srl*))
  "Find list of ucon for tui"
  (with-umlisp-query ('mrsty (cui) srl 'tui (parse-tui tui) :lrlname 'klrl
			     :order '(cui asc))
    (find-ucon-cui (ensure-integer cui) :srl srl)))
  
(defun find-ucon-word (word &key (srl *current-srl*) (like nil))
  "Return list of ucons that match word. Optionally, use SQL's LIKE syntax"
  (with-umlisp-query ('mrxw_eng (cui) srl 'wd word :like like :distinct t
				:lrlname 'klrl :order '(cui asc))
    (find-ucon-cui cui :srl srl)))

(defun find-ucon-normalized-word (word &key (srl *current-srl*) (like nil))
  "Return list of ucons that match word, optionally use SQL's LIKE syntax"
  (with-umlisp-query ('mrxnw_eng (cui) srl 'nwd word :like like :distinct t
				:lrlname 'klrl :order '(cui asc))
    (find-ucon-cui cui :srl srl)))

(defun find-ustr-word (word &key (srl *current-srl*))
  "Return list of ustrs that match word"
  (with-umlisp-query ('mrxw_eng (cui sui) srl 'wd word
				:lrlname 'klrl
				:order '(cui asc sui asc))
    (find-ustr-cuisui (ensure-integer cui) (ensure-integer sui) :srl srl)))

(defun find-ustr-normalized-word (word &key (srl *current-srl*))
  "Return list of ustrs that match word"
  (with-umlisp-query ('mrxnw_eng (cui sui) srl 'nwd word :lrlname 'klrl
				 :order '(cui asc sui asc))
    (find-ustr-cuisui (ensure-integer cui) (ensure-integer sui) :srl srl)))

;; Special tables

(defun find-usrl-all ()
  (with-umlisp-query ('usrl (sab srl) nil nil nil :order '(sab asc))
    (make-instance 'usrl :sab sab :srl (ensure-integer srl))))

;;; Multiword lookup and score functions

(defun find-ucon-multiword (str &key (srl *current-srl*))
  "Return sorted list of ucon's that match a multiword string"
  (let* ((words (delimited-string-to-list str #\space))
	 (ucons '()))
    (dolist (word words)
      (setq ucons (append ucons (find-ucon-word word :srl srl))))
    (sort-score-ucon-str str (delete-duplicates ucons :test #'eql :key #'cui))))

(defun find-ustr-multiword (str &key (srl *current-srl*))
  "Return sorted list of ustr's that match a multiword string"
  (let* ((words (delimited-string-to-list str #\space))
	 (ustrs '()))
    (dolist (word words)
      (setq ustrs (append ustrs (find-ustr-word word :srl srl))))
    (sort-score-ustr-str str (delete-duplicates ustrs :test #'eql :key #'cui))))
	
(defun sort-score-ucon-str (str ucons)
  "Return list of sorted and scored ucons. Score by match of str to ucon-pfstr"
  (sort-score-umlsclass-str ucons str #'pfstr))

(defun sort-score-ustr-str (str ustrs)
  "Return list of sorted and scored ucons. Score by match of str to ucon-pfstr"
  (sort-score-umlsclass-str ustrs str #'str))

(defun sort-score-umlsclass-str (objs str lookup-func)
  "Sort a list of objects based on scoring to a string"
  (let ((scored '()))
    (dolist (obj objs)
      (push 
       (list obj 
	     (score-multiword-match str (funcall lookup-func obj))) 
       scored))
    (mapcar #'car (sort scored #'> :key #'cadr))))

(defun score-multiword-match (s1 s2)
  "Score a match between two strings with s1 being reference string"
  (let* ((word-list-1 (delimited-string-to-list s1 #\space))
	 (word-list-2 (delimited-string-to-list s2 #\space))
	 (n1 (length word-list-1))
	 (n2 (length word-list-2))
	 (unmatched n1)
	 (score 0)
	 (nlong 0)
	 (nshort 0)
	 short-list long-list)
    (declare (fixnum n1 n2 nshort nlong score unmatched))
    (if (> n1 n2)
	(progn
	  (setq nlong n1)
	  (setq nshort n2)
	  (setq long-list word-list-1)
	  (setq short-list word-list-2))
      (progn
	(setq nlong n2)
	(setq nshort n1)
	(setq long-list word-list-2)
	(setq short-list word-list-1)))
    (decf score (- nlong nshort)) ;; reduce score for extra words
    (dotimes (iword nshort)
      (declare (fixnum iword))
      (kmrcl:aif (position (nth iword short-list) long-list :test #'string-equal)
	   (progn
	     (incf score (- 10 (abs (- kmrcl::it iword))))
	     (decf unmatched))))
    (decf score (* 2 unmatched))
    score))


;;; LEX SQL functions

(defun find-lexterm-eui (eui)
  (with-umlisp-query ('lrwd (wrd) nil 'eui eui :single t)
    (make-instance 'lexterm :eui eui :wrd wrd)))

(defun find-lexterm-word (wrd)
  (with-umlisp-query ('lrwd (eui) nil 'wrd wrd)
    (make-instance 'lexterm :eui (ensure-integer eui)
		   :wrd (copy-seq wrd))))

;; LEX SQL Read functions

(defun find-labr-eui (eui)
  (with-umlisp-query ('lrabr (bas abr eui2 bas2) nil 'eui eui) 
    (make-instance 'labr :eui eui :bas bas :abr abr :bas2 bas2
		   :eui2 (ensure-integer eui2))))

(defun find-labr-bas (bas)
  (with-umlisp-query ('labr (eui abr eui2 bas2) nil 'bas bas)
    (make-instance 'labr :eui (ensure-integer eui) :abr abr :bas2 bas2
		   :bas (copy-seq bas) :eui2 (ensure-integer eui2))))

(defun find-lagr-eui (eui)
  (with-umlisp-query ('lragr (str sca agr cit bas) nil 'eui eui)
    (make-instance 'lagr :eui eui :str str :sca sca :agr agr
		   :cit cit :bas bas)))

(defun find-lcmp-eui (eui)
  (with-umlisp-query ('lrcmp (bas sca com) nil 'eui eui)
    (make-instance 'lcmp :eui eui :bas bas :sca sca :com com)))

(defun find-lmod-eui (eui)
  (with-umlisp-query ('lrmod (bas sca psn_mod fea) nil 'eui eui)
    (make-instance 'lmod :eui eui :bas bas :sca sca :psnmod psn_mod :fea fea)))

(defun find-lnom-eui (eui)
  (with-umlisp-query ('lrnom (bas sca eui2 bas2 sca2) nil 'eui eui)
    (make-instance 'lnom :eui eui :bas bas :sca sca :bas2 bas2 :sca2 sca2
		   :eui2 (ensure-integer eui2))))

(defun find-lprn-eui (eui)
  (with-umlisp-query ('lrprn (bas num gnd cas pos qnt fea) nil 'eui eui)
    (make-instance 'lprn :eui eui :bas bas :num num :gnd gnd
		   :cas cas :pos pos :qnt qnt :fea fea)))

(defun find-lprp-eui (eui)
  (with-umlisp-query ('lrprp (bas str sca fea) nil 'eui eui)
    (make-instance 'lprp :eui eui :bas bas :str str :sca sca :fea fea)))

(defun find-lspl-eui (eui)
  (with-umlisp-query ('lrspl (spv bas) nil 'eui eui)
    (make-instance 'lspl :eui eui :spv spv :bas bas)))

(defun find-ltrm-eui (eui)
  (with-umlisp-query ('lrtrm (bas gen) nil 'eui eui) 
    (make-instance 'ltrm :eui eui :bas bas :gen gen)))

(defun find-ltyp-eui (eui)
  (with-umlisp-query ('lrtyp (bas sca typ) nil 'eui eui)
    (make-instance 'ltyp :eui eui :bas bas :sca sca :typ typ)))

(defun find-lwd-wrd (wrd)
  (make-instance 'lwd :wrd
		 :euilist (with-umlisp-query ('lrwd (eui) nil 'wrd wrd)
			    (ensure-integer eui))))

;;; Semantic Network SQL access functions

(defun find-sdef-ui (ui)
  (with-umlisp-query ('srdef (rt sty_rl stn_rtn def ex un rh abr rin)
			     nil 'ui ui :single t)
    (make-instance 'sdef :rt rt :ui ui :styrl sty_rl :stnrtn stn_rtn
		   :def def :ex ex :un un :rh rh :abr abr :rin rin)))

(defun find-sstre1-ui (ui)
  (with-umlisp-query ('srstre1 (ui2 ui3) nil 'ui ui)
    (make-instance 'sstre1 :ui ui :ui2 (ensure-integer ui2)
		   :ui3 (ensure-integer ui3))))

(defun find-sstre1-ui2 (ui2)
  (with-umlisp-query ('srstre1 (ui ui3) nil 'ui2 ui2)
    (make-instance 'sstre1 :ui (ensure-integer ui) :ui2 ui2
		   :ui3 (ensure-integer ui3))))

(defun find-sstr-rl (rl)
  (with-umlisp-query ('srstre (sty_rl sty_rl2 ls) nil 'rl rl)
    (make-instance 'sstr :rl rl :styrl sty_rl :styrl2 sty_rl2 :ls ls)))

(defun find-sstre2-sty (sty)
  (with-umlisp-query ('srstre2 (rl sty2) nil 'sty sty)
    (make-instance 'sstre2 :sty (copy-seq sty) :rl rl :sty2 sty2)))

(defun find-sstr-styrl (styrl)
  (with-umlisp-query ('srstr (rl sty_rl2 ls) nil 'styrl styrl)
    (make-instance 'sstr :styrl styrl :rl rl :styrl2 sty_rl2 :ls ls)))