1 ;;;; -*- Mode: Lisp; Syntax: ANSI-Common-Lisp; Base: 10; Package: umlisp -*-
2 ;;;; *************************************************************************
3 ;;;; FILE IDENTIFICATION
5 ;;;; Name: classes.lisp
6 ;;;; Purpose: Class defintions for UMLisp
7 ;;;; Programmer: Kevin M. Rosenberg
8 ;;;; Date Started: Apr 2000
10 ;;;; $Id: classes.lisp,v 1.3 2002/10/09 23:03:41 kevin Exp $
12 ;;;; This file, part of UMLisp, is
13 ;;;; Copyright (c) 2000-2002 by Kevin M. Rosenberg, M.D.
15 ;;;; UMLisp users are granted the rights to distribute and use this software
16 ;;;; as governed by the terms of the GNU General Public License.
17 ;;;; *************************************************************************
20 (declaim (optimize (speed 3) (safety 1) (compilation-speed 0) (debug 3)))
22 (defclass umlsclass ()
24 (:metaclass kmrcl:ml-class)
25 (:documentation "Parent class of all UMLS objects. It is based on the KMRCL:ML-CLASS metaclass that provides object printing functions."))
28 (defmethod print-object ((obj umlsclass) (s stream))
29 (print-unreadable-object (obj s :type t :identity t)
30 (let ((fmt (make-instance 'kmrcl::textformat)))
32 s (funcall (kmrcl::obj-data-fmtstr fmt) obj)
34 (funcall (funcall (kmrcl::obj-data-value-func fmt) obj) obj))))))
37 (defclass urank (umlsclass)
38 ((rank :type fixnum :initarg :rank :reader rank)
39 (sab :type string :initarg :sab :reader sab)
40 (tty :type string :initarg :tty :reader tty)
41 (supres :type string :initarg :supres :reader supres))
42 (:metaclass kmrcl:ml-class)
43 (:default-initargs :rank nil :sab nil :tty nil :supres nil)
45 (:fields (rank :fixnum) (sab :string) (tty :string) (supres :string)))
47 (defclass udef (umlsclass)
48 ((def :type string :initarg :def :reader def)
49 (sab :type string :initarg :sab :reader sab))
50 (:metaclass kmrcl:ml-class)
51 (:default-initargs :def nil :sab nil)
53 (:ref-fields (sab find-bsab-sab))
54 (:fields (sab :string) (def :cdata)))
56 (defclass usat (umlsclass)
57 ((sab :type string :initarg :sab :reader sab)
58 (code :type string :initarg :code :reader code)
59 (atn :type string :initarg :atn :reader atn)
60 (atv :type string :initarg :atv :reader atv))
61 (:metaclass kmrcl:ml-class)
62 (:default-initargs :sab nil :code nil :atn nil :atv nil)
63 (:title "Simple Attribute")
64 (:ref-fields (sab find-bsab-sab))
65 (:fields (sab :string) (code :string) (atn :string) (atv :cdata)))
67 (defclass uso (umlsclass)
68 ((sab :type string :initarg :sab :reader sab)
69 (code :type string :initarg :code :reader code)
70 (tty :type string :initarg :tty :reader tty)
71 (srl :type fixnum :initarg :srl :reader srl))
72 (:metaclass kmrcl:ml-class)
73 (:default-initargs :sab nil :code nil :tty nil :srl nil)
75 (:ref-fields (sab find-bsab-sab) (tty find-btty-tty))
76 (:fields (sab :string) (code :string) (tty :string) (srl :fixnum)))
78 (defclass ucxt (umlsclass)
79 ((sab :type string :initarg :sab :reader sab)
80 (code :type string :initarg :code :reader code)
81 (rnk :type fixnum :initarg :rnk :reader rnk)
82 (cxn :type fixnum :initarg :cxn :reader cxn)
83 (cxl :type string :initarg :cxl :reader cxl)
84 (cxs :type string :initarg :cxs :reader cxs)
85 (cui2 :type fixnum :initarg :cui2 :reader cui2)
86 (hcd :type string :initarg :hcd :reader hcd)
87 (rela :type string :initarg :rela :reader rela)
88 (xc :type string :initarg :xc :reader xc))
89 (:metaclass kmrcl:ml-class)
90 (:default-initargs :sab nil :code nil :rnk nil :cxn nil :cxl nil :cxs nil
91 :cui2 nil :hcd nil :rela nil :xc nil)
93 (:ref-fields (sab find-bsab-sab) (cui2 find-ucon-cui))
95 (sab :string) (code :string) (rnk :fixnum) (cxn :fixnum) (cxl :string)
96 (hcd :string) (rela :string) (xc :string) (cui2 :string fmt-cui)
99 (defclass ustr (umlsclass)
100 ((sui :type fixnum :initarg :sui :reader sui)
101 (cui :type fixnum :initarg :cui :reader cui)
102 (lui :type fixnum :initarg :lui :reader lui)
103 (cuisui :type integer :initarg :cuisui :reader cuisui )
104 (str :type string :initarg :str :reader str)
105 (lrl :type fixnum :initarg :lrl :reader lrl)
106 (stt :type string :initarg :stt :reader stt)
107 (s#sat :reader s#sat)
109 (s#cxt :reader s#cxt))
110 (:metaclass kmrcl:ml-class)
112 :sui nil :cui nil :lui nil :cuisui nil :str nil :lrl nil :stt nil)
114 (:subobjects-lists (s#sat usat) (s#so uso) (s#cxt ucxt))
115 (:fields (sui :string fmt-sui) (stt :string) (lrl :fixnum) (str :cdata))
116 (:ref-fields (sui find-ustr-sui)))
118 (defclass ulo (umlsclass)
119 ((isn :type string :initarg :isn :reader isn)
120 (fr :type fixnum :initarg :fr :reader fr)
121 (un :type string :initarg :un :reader un)
122 (sui :type fixnum :initarg :sui :reader sui)
123 (sna :type string :initarg :sna :reader sna)
124 (soui :type string :initarg :soui :reader soui))
125 (:metaclass kmrcl:ml-class)
126 (:default-initargs :isn nil :fr nil :un nil :sui nil :sna nil :soui nil)
128 (:fields (isn :string) (fr :fixnum) (un :string) (sna :string)
129 (soui :string) (sui :string fmt-sui) (suistr :string)))
131 (defclass uterm (umlsclass)
132 ((lui :type fixnum :initarg :lui :reader lui)
133 (cui :type fixnum :initarg :cui :reader cui)
134 (lat :type string :initarg :lat :reader lat)
135 (ts :type string :initarg :ts :reader ts)
136 (lrl :type fixnum :initarg :lrl :reader lrl)
137 (s#str :reader s#str)
138 (s#sat :reader s#sat))
139 (:metaclass kmrcl:ml-class)
140 (:default-initargs :lui nil :cui nil :lat nil :ts nil :lrl nil)
142 (:subobjects-lists (s#sat usat) (s#str ustr))
143 (:fields (lui :string fmt-lui) (lat :string) (ts :string) (lrl :fixnum))
144 (:ref-fields (lui find-uterm-lui)))
146 (defclass usty (umlsclass)
147 ((tui :type fixnum :initarg :tui :reader tui)
148 (sty :type string :initarg :sty :reader sty))
149 (:metaclass kmrcl:ml-class)
150 (:default-initargs :tui nil :sty nil)
151 (:title "Semantic Type")
152 (:ref-fields (tui find-ucon-tui (("subobjects" "no"))))
153 (:fields (tui :string fmt-tui) (sty :string)))
155 (defclass urel (umlsclass)
156 ((rel :type string :initarg :rel :reader rel)
157 (cui1 :type fixnum :initarg :cui1 :reader cui1)
158 (cui2 :type fixnum :initarg :cui2 :reader cui2)
159 (pfstr2 :type string :initarg :pfstr2 :reader pfstr2)
160 (rela :type string :initarg :rela :reader rela)
161 (sab :type string :initarg :sab :reader sab)
162 (sl :type string :initarg :sl :reader sl)
163 (mg :type string :initarg :mg :reader mg))
164 (:metaclass kmrcl:ml-class)
166 :rel nil :cui1 nil :cui2 nil :pfstr2 nil :rela nil :sab nil :sl nil :mg nil)
167 (:title "Relationship")
168 (:ref-fields (rel find-brel-rel) (sab find-bsab-sab) (cui2 find-ucon-cui))
169 (:fields (rel :string) (rela :string) (sab :string) (sl :string)
170 (mg :string) (cui2 :string fmt-cui) (pfstr2 :cdata)))
172 (defclass ucoc (umlsclass)
173 ((cui1 :type fixnum :initarg :cui1 :reader cui1)
174 (cui2 :type fixnum :initarg :cui2 :reader cui2)
175 (pfstr2 :type string :initarg :pfstr2 :reader pfstr2)
176 (soc :type string :initarg :soc :reader soc)
177 (cot :type string :initarg :cot :reader cot)
178 (cof :type fixnum :initarg :cof :reader cof)
179 (coa :type string :initarg :coa :reader coa))
180 (:metaclass kmrcl:ml-class)
182 :cui1 nil :cui2 nil :pfstr2 nil :soc nil :cot nil :cof nil :coa nil)
183 (:title "Co-occuring Concept")
184 (:ref-fields (cui2 find-ucon-cui))
185 (:fields (soc :string) (cot :string) (cof :fixnum) (coa :cdata)
186 (cui2 :string fmt-cui) (pfstr2 :cdata)))
189 (defclass uatx (umlsclass)
190 ((sab :type string :initarg :sab :reader sab)
191 (rel :type string :initarg :rel :reader rel)
192 (atx :type string :initarg :atx :reader atx))
193 (:metaclass kmrcl:ml-class)
194 (:default-initargs :sab nil :rel nil :atx nil)
195 (:title "Associated Expression")
196 (:fields (sab :string) (rel :string) (atx :cdata)))
198 (defclass ucon (umlsclass)
199 ((cui :type fixnum :initarg :cui :reader cui )
200 (pfstr :initarg :pfstr :reader pfstr)
201 (lrl :initarg :lrl :reader lrl)
202 (s#term :reader s#term)
203 (s#def :reader s#def)
205 (s#rel :reader s#rel)
206 (s#coc :reader s#coc)
207 (s#sat :reader s#sat)
208 (s#atx :reader s#atx)
209 (s#sty :reader s#sty))
210 (:metaclass kmrcl:ml-class)
211 (:default-initargs :cui nil :pfstr nil :lrl nil)
214 (s#def udef) (s#sty usty) (s#lo ulo) (s#atx uatx) (s#sat usat) (s#rel urel)
215 (s#coc ucoc) (s#term uterm))
216 (:fields (cui :string fmt-cui) (lrl :fixum) (pfstr :cdata))
217 (:ref-fields (cui find-ucon-cui)))
219 (defclass uxw (umlsclass)
220 ((wd :type string :initarg :wd :reader wd)
221 (cui :type fixnum :initform nil :initarg :cui :reader cui)
222 (lui :type fixnum :initform nil :initarg :lui :reader lui)
223 (sui :type fixnum :initform nil :initarg :sui :reader sui))
224 (:metaclass kmrcl:ml-class)
225 (:default-initargs :wd nil :cui nil :lui nil :sui nil)
227 (:fields (wd :string) (cui :string fmt-cui) (lui :string fmt-lui)
228 (sui :string fmt-sui)))
230 (defclass uxnw (umlsclass)
231 ((lat :type string :initarg :lat :reader lat)
232 (nwd :type string :initarg :nwd :reader nwd)
233 (cuilist :type list :initarg :cuilist :reader uxnw-cuilist))
234 (:metaclass kmrcl:ml-class)
235 (:default-initargs :lat nil :nwd nil :cuilist nil)
237 (:fields (lat :string) (nwd :string) (cuilist :string)))
239 (defclass uxns (umlsclass)
240 ((lat :type string :initarg :lat :reader lat)
241 (nstr :type string :initarg :nstr :reader nstr)
242 (cuilist :type list :initarg :cuilist :reader cuilist))
243 (:metaclass kmrcl:ml-class)
244 (:default-initargs :lat nil :nstr nil :cuilist nil)
246 (:fields (lat :string) (nstr :string) (cuilist :string)))
251 (defclass lexterm (umlsclass)
252 ((eui :type fixnum :initarg :eui :reader eui)
253 (wrd :type string :initarg :wrd :reader wrd)
254 (s#abr :reader s#abr)
255 (s#agr :reader s#agr)
256 (s#cmp :reader s#cmp)
257 (s#mod :reader s#mod)
258 (s#nom :reader s#nom)
259 (s#prn :reader s#prn)
260 (s#prp :reader s#prp)
261 (s#spl :reader s#spl)
262 (s#trm :reader s#trm)
263 (s#typ :reader s#typ))
264 (:metaclass kmrcl:ml-class)
265 (:default-initargs :eui nil :wrd nil)
266 (:title "Lexical Term")
268 (s#abr labr) (s#agr lagr) (s#cmp lcmp) (s#mod lmod) (s#nom unom)
269 (s#prn lprn) (s#prp lprp) (s#spl lspl) (s#trm ltrm) (s#typ ltyp))
270 (:fields (eui :string fmt-eui) (wrd :string))
271 (:ref-fields (eui find-lexterm-eui)))
274 (defclass labr (umlsclass)
275 ((eui :type integer :initarg :eui :reader eui)
276 (bas :type string :initarg :bas :reader bas)
277 (abr :type string :initarg :abr :reader abr)
278 (eui2 :type integer :initarg :eui2 :reader eui2)
279 (bas2 :type string :initarg :bas2 :reader bas2))
280 (:metaclass kmrcl:ml-class)
281 (:default-initargs :eui nil :bas nil :abr nil :eui2 nil :bas2 nil)
282 (:title "Abbreviations and Acronyms")
283 (:fields (eui :string fmt-eui) (bas :string) (abr :string)
284 (eui2 :string fmt-eui) (bas2 :string )))
286 (defclass lagr (umlsclass)
287 ((eui :type integer :initarg :eui :reader eui)
288 (str :type string :initarg :str :reader str)
289 (sca :type string :initarg :sca :reader sca)
290 (agr :type string :initarg :agr :reader agr)
291 (cit :type string :initarg :cit :reader cit)
292 (bas :type string :initarg :bas :reader bas))
293 (:metaclass kmrcl:ml-class)
294 (:default-initargs :eui nil :str nil :sca nil :agr nil :cit nil :bas nil)
295 (:title "Agreement and Inflection")
296 (:fields (eui :string fmt-eui) (str :string) (sca :string) (agr :string)
297 (cit :string) (bas :string)))
299 (defclass lcmp (umlsclass)
300 ((eui :type integer :initarg :eui :reader eui)
301 (bas :type string :initarg :bas :reader bas)
302 (sca :type string :initarg :sca :reader sca)
303 (com :type string :initarg :com :reader com))
304 (:metaclass kmrcl:ml-class)
305 (:default-initargs :eui nil :bas nil :sca nil :com nil)
306 (:title "Complementation")
307 (:fields (eui :string fmt-eui) (bas :string) (sca :string) (com :string)))
309 (defclass lmod (umlsclass)
310 ((eui :type integer :initarg :eui :reader eui)
311 (bas :type string :initarg :bas :reader bas)
312 (sca :type string :initarg :sca :reader sca)
313 (psnmod :type string :initarg :psnmod :reader psnmod)
314 (fea :type string :initarg :fea :reader fea))
315 (:metaclass kmrcl:ml-class)
316 (:default-initargs :eui nil :bas nil :sca nil :psnmod nil :fea nil)
318 (:fields (eui :string fmt-eui) (bas :string) (sca :string) (psnmod :string)
321 (defclass lnom (umlsclass)
322 ((eui :type integer :initarg :eui :reader eui)
323 (bas :type string :initarg :bas :reader bas)
324 (sca :type string :initarg :sca :reader sca)
325 (eui2 :type integer :initarg :eui2 :reader eui2)
326 (bas2 :type string :initarg :bas2 :reader bas2)
327 (sca2 :type string :initarg :sca2 :reader sca2))
328 (:metaclass kmrcl:ml-class)
329 (:default-initargs :eui nil :bas nil :sca nil :eui2 nil :bas2 nil :sca2 nil)
330 (:title "Nominalizations")
331 (:fields (eui :string fmt-eui) (bas :string) (sca :string)
332 (eui2 :string fmt-eui) (bas2 :string) (sca2 :string)))
334 (defclass lprn (umlsclass)
335 ((eui :type integer :initarg :eui :reader eui)
336 (bas :type string :initarg :bas :reader bas)
337 (num :type string :initarg :num :reader num)
338 (gnd :type string :initarg :gnd :reader gnd)
339 (cas :type string :initarg :cas :reader cas)
340 (pos :type string :initarg :pos :reader pos)
341 (qnt :type string :initarg :qnt :reader qnt)
342 (fea :type string :initarg :fea :reader fea))
343 (:metaclass kmrcl:ml-class)
344 (:default-initargs :eui nil :bas nil :num nil :gnd nil :cas nil
345 :pos nil :qnt nil :fea nil)
347 (:fields (eui :string fmt-eui) (bas :string) (num :string) (gnd :string)
348 (cas :string) (pos :string) (qnt :string) (fea :string)))
350 (defclass lprp (umlsclass)
351 ((eui :type integer :initarg :eui :reader eui)
352 (bas :type string :initarg :bas :reader bas)
353 (str :type string :initarg :str :reader str)
354 (sca :type string :initarg :sca :reader sca)
355 (fea :type string :initarg :fea :reader fea))
356 (:metaclass kmrcl:ml-class)
357 (:default-initargs :eui nil :bas nil :str nil :sca nil :fea nil)
358 (:title "Properties")
359 (:fields (eui :string fmt-eui) (bas :string) (str :string) (sca :string)
363 (defclass lspl (umlsclass)
364 ((eui :type integer :initarg :eui :reader eui)
365 (spv :type string :initarg :spv :reader spv)
366 (bas :type string :initarg :bas :reader bas))
367 (:metaclass kmrcl:ml-class)
368 (:default-initargs :eui nil :spv nil :bas nil)
369 (:title "Spelling Variants")
370 (:fields (eui :string fmt-eui) (spv :string) (bas :string)))
374 (defclass ltrm (umlsclass)
375 ((eui :type integer :initarg :eui :reader eui)
376 (bas :type string :initarg :bas :reader bas)
377 (gen :type string :initarg :gen :reader gen))
378 (:metaclass kmrcl:ml-class)
379 (:default-initargs :eui nil :bas nil :gen nil)
380 (:title "Trade Marks")
381 (:fields (eui :string fmt-eui) (bas :string) (gen :string)))
383 (defclass ltyp (umlsclass)
384 ((eui :type integer :initarg :eui :reader eui)
385 (bas :type string :initarg :bas :reader bas)
386 (sca :type string :initarg :sca :reader sca)
387 (typ :type string :initarg :typ :reader typ))
388 (:metaclass kmrcl:ml-class)
389 (:default-initargs :eui nil :bas nil :sca nil :typ nil)
390 (:title "Inflection Type")
391 (:fields (eui :string fmt-eui) (bas :string) (sca :string) (typ :string)))
393 (defclass lwd (umlsclass)
394 ((wrd :type string :initarg :wrd :reader wrd)
395 (euilist :type list :initarg :euilist :reader euilist))
396 (:metaclass kmrcl:ml-class)
397 (:default-initargs :wrd nil :euilist nil)
398 (:title "Lexical Word Index")
399 (:fields (wrd :string) (euilist :string)))
401 ;;; Semantic NET objects
403 (defclass sdef (umlsclass)
404 ((rt :type string :initarg :rt :reader rt)
405 (ui :type integer :initarg :ui :reader ui)
406 (styrl :type string :initarg :styrl :reader styrl)
407 (stnrtn :type string :initarg :stnrtn :reader stnrtn)
408 (def :type string :initarg :def :reader def)
409 (ex :type string :initarg :ex :reader ex)
410 (un :type string :initarg :un :reader un)
411 (rh :type string :initarg :rh :reader rh)
412 (abr :type string :initarg :abr :reader abr)
413 (rin :type string :initarg :rin :reader rin))
414 (:metaclass kmrcl:ml-class)
416 :rt nil :ui nil :styrl nil :stnrtn nil :def nil :ex nil :un nil :rh nil
418 (:title "Basic information about Semantic Types and Relations")
420 (rt :string) (ui :string fmt-tui) (styrl :string) (stnrtn :string-tui)
421 (def :string) (ex :string) (un :string) (rh :string) (abr :string)
424 (defclass sstr (umlsclass)
425 ((styrl :type string :initarg :styrl :reader styrl)
426 (rl :type string :initarg :rl :reader rl)
427 (styrl2 :type string :initarg :styrl2 :reader styrl2)
428 (ls :type string :initarg :ls :reader ls))
429 (:metaclass kmrcl:ml-class)
430 (:default-initargs :styrl nil :rl nil :styrl2 nil :ls nil)
431 (:title "Structure of the Network")
432 (:fields (styrl :string) (rl :string) (styrl2 :string) (ls :string)))
434 (defclass sstre1 (umlsclass)
435 ((ui :type integer :initarg :ui :reader ui)
436 (ui2 :type integer :initarg :ui2 :reader ui2)
437 (ui3 :type integer :initarg :ui3 :reader ui3))
438 (:metaclass kmrcl:ml-class)
439 (:default-initargs :ui nil :ui2 nil :ui3 nil)
440 (:title "Fully Inherited Set of Releatons (TUI's)")
441 (:fields (ui :string fmt-tui) (ui2 :string fmt-tui) (ui3 :string fmt-tui)))
443 (defclass sstre2 (umlsclass)
444 ((sty :type string :initarg :ui :reader sty)
445 (rl :type string :initarg :ui2 :reader rl)
446 (sty2 :type string :initarg :ui3 :reader sty2))
447 (:metaclass kmrcl:ml-class)
448 (:default-initargs :sty nil :rl nil :sty2 nil)
449 (:title "Fully Inherited Set of Releatons (strings)")
450 (:fields (sty :string) (rl :string) (sty2 :string)))
452 ;;; Formatting routines
454 (defmethod fmt-cui ((c ucon))
455 (format nil "C~7,'0d" (cui c)))
457 (defmethod fmt-cui ((c fixnum))
458 (format nil "C~7,'0d" c))
460 (defmethod fmt-cui ((c string))
461 (if (eql (aref c 0) #\C)
463 (format nil "C~7,'0d" (parse-integer c))))
465 (defmethod fmt-cui ((c null))
468 (defmethod fmt-lui ((l uterm))
469 (format nil "L~7,'0d" (lui l)))
471 (defmethod fmt-lui ((l fixnum))
472 (format nil "L~7,'0d" l))
474 (defmethod fmt-lui ((l string))
475 (if (eql (aref l 0) #\L)
477 (format nil "L~7,'0d" (parse-integer l))))
479 (defmethod fmt-sui ((s ustr))
480 (format nil "S~7,'0d" (sui s)))
482 (defmethod fmt-sui ((s fixnum))
483 (format nil "S~7,'0d" s))
485 (defmethod fmt-sui ((s string))
486 (if (eql (aref s 0) #\S)
488 (format nil "S~7,'0d" (parse-integer s))))
490 (defmethod fmt-tui ((s fixnum))
491 (format nil "T~3,'0d" s))
493 (defmethod fmt-tui ((s string))
494 (if (eql (aref s 0) #\T)
496 (format nil "T~3,'0d" (parse-integer s))))
498 (defmethod fmt-eui ((e fixnum))
499 (format nil "E~7,'0d" e))
501 (defmethod fmt-eui ((e string))
502 (if (eql (aref e 0) #\E)
504 (format nil "E~7,'0d" (parse-integer e))))
506 (defmethod fmt-eui ((e null))
509 ;;; Generic display functions
511 (eval-when (:compile-toplevel :load-toplevel :execute)
512 (defun english-term-p (obj)
513 (and (eq (class-name (class-of obj)) 'uterm)
514 (string-equal (lat obj) "ENG"))))
516 (defun display-umls-obj
517 (obj &key (os *standard-output*) (format :text) (label nil)
518 (file-wrapper t) (english-only nil) (subobjects nil)
521 obj :os os :format format :label label :subobjects subobjects
522 :file-wrapper file-wrapper
523 :english-only-function (if english-only #'english-term-p nil)
526 (defmacro defludisp-ml-class (newfuncname lookup-func)
527 "Defines functions for looking up and displaying objects"
529 (keyval &key (os *standard-output*) (format :text) (label nil)
530 (file-wrapper t) (english-only nil) (subobjects nil))
531 (let ((obj (funcall ,lookup-func keyval)))
532 (display-umls-obj obj :os os :format format :label label
533 :file-wrapper file-wrapper :english-only english-only
534 :subobjects subobjects))))
536 (defludisp-ml-class disp-con #'find-ucon-cui)
537 (defludisp-ml-class disp-term #'find-uterm-lui)
538 (defludisp-ml-class disp-str #'find-ustr-sui)