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main.lsp
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Constants
;; (load "C:\\Users\\danil\\Documents\\Northwestern\\Winter 2018\\EECS 371 - NRR\\Project\\krr-question-answering\\main.lsp")
;; Not sure how to user relative paths in lisp. Work with absolute paths for now.
;; NOTE: Remember to change that before running.
(setq file-root "C:\\Users\\danil\\Documents\\Northwestern\\Winter 2018\\EECS 371 - NRR\\Project\\krr-question-answering\\")
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Text and parsing functions
;; Reads a text file and returns list of string with the file's lines.
;; If file doesn't exist, returns an empty list.
(defun read-text-file (file-name)
(let ((file (open file-name :if-does-not-exist nil))
(return-str (list)))
(when file
(do ((line (read-line file nil) (read-line file nil)))
((null line))
(setq return-str (append return-str (list line))))
(close file))
return-str
)
)
;; Writes the input string to the specified file.
(defun write-text-file (file-name output-string)
(with-open-file (stream file-name :direction :output :if-exists :new-version)
(format stream output-string)
)
)
;; Splits a string, the delimiters are defined in delimiterp.
(defun string-split (chars str &optional (lst nil) (accm ""))
(cond
((= (length str) 0) (reverse (cons accm lst)))
(t
(let ((c (char str 0)))
(if (member c chars)
(string-split chars (subseq str 1) (cons accm lst) "")
(string-split chars (subseq str 1)
lst
(concatenate 'string
accm
(string c))))
))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Task related functions
;; Adds a task prefix to the string, we should do that for name of people, places
;; and objects since they might collide with existing data in the KB.
(defun add-task-prefix (str)
(concatenate 'string "Task" str)
)
;; Creates an event name for an event number.
(defun event-name-from-number (event-number)
(concatenate 'string "Event" event-number "Mt")
)
;; Changes name of direction to match KB, e.g. "north" to "northOf".
(defun add-direction-suffix (direction)
(concatenate 'string direction "Of")
)
(defun get-equivalent-action (word)
(cond
((string= word "travelled") 'MovesTo)
((string= word "moved") 'MovesTo)
((string= word "went") 'MovesTo)
((string= word "journeyed") 'MovesTo)
((string= word "picked") 'pickedUpObject)
((string= word "grabbed") 'pickedUpObject)
((string= word "got") 'pickedUpObject)
((string= word "took") 'pickedUpObject)
((string= word "discarded") 'droppedObject)
((string= word "put") 'droppedObject)
((string= word "dropped") 'droppedObject)
((string= word "left") 'droppedObject)
((string= word "gave") 'giveTo)
((string= word "passed") 'giveTo)
((string= word "handed") 'giveTo)
)
)
(defun get-written-number (number)
(cond
((eql number 0) 'none)
((eql number 1) 'one)
((eql number 2) 'two)
((eql number 3) 'three)
((eql number 4) 'four)
((eql number 5) 'five)
)
)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Task 1 related functions
(defun execute-task1 (lines)
(let ((output-response-list '())
(previous-event nil))
(dolist (line lines)
(let ((tokens (string-split (list #\Space #\tab) line)))
(let ((event-number (nth 0 tokens)))
;; If first token is "1" clean the KB.
(if (string= event-number "1")
(progn
(setq previous-event nil)
(clean-local-mt)
)
)
(if (string= (nth 1 tokens) "Where")
;; The line is of the form "3 Where is John? hallway 1"
;; perform a query.
(let ((person (add-task-prefix (string-right-trim "?" (nth 3 tokens))))
(current-place nil))
;; Clear working memory to prevent using old facts.
(clear-wm)
;; For some weird reason facts in GlobalMt are being deleted.
;; Loading this file again fixes the problem for now.
(fire::meld-file->kb (concatenate 'string file-root "rules.meld"))
(setq current-place (ask-q (list 'isCurrentlyIn (intern person) '?x)))
(write current-place) (terpri) (terpri) ;; TODO - Delete.
(setq current-place (cdr (car (car current-place))))
(setq output-response-list (append output-response-list (list current-place)))
)
;; Otherwise the line is of the form "1 John travelled to the hallway."
;; Add information to the KB.
(let ((event-mt (intern (event-name-from-number event-number)))
(person (intern (add-task-prefix (nth 1 tokens))))
(place (intern (add-task-prefix (string-right-trim "." (car (last tokens)))))))
;; Store data in KB.
(kb-store (list 'isa event-mt 'Microtheory) 'TaskLocalMt)
(kb-store (list 'genlMt event-mt 'TaskLocalMt) 'TaskLocalMt)
(kb-store (list 'MovesTo person place) event-mt)
(if previous-event
(kb-store (list 'happensAfter event-mt previous-event) 'TaskLocalMt)
)
;; Update previous event.
(setq previous-event event-mt)
)
)
))
)
;; return the list of places got from the "Where is" queries.
output-response-list)
)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Task 2 related functions
(defun execute-task2 (lines)
(let ((output-response-list '())
(previous-event nil))
(dolist (line lines)
(let ((tokens (string-split (list #\Space #\tab) line)))
(let ((event-number (nth 0 tokens)))
;; If first token is "1" clean the KB.
(if (string= event-number "1")
(progn
(setq previous-event nil)
(clean-local-mt)
)
)
(if (string= (nth 1 tokens) "Where")
;; The line is of the form "5 Where is the milk? hallway 1 4"
;; perform a query.
(let ((object (intern (add-task-prefix (string-right-trim "?" (nth 4 tokens)))))
(current-place nil))
;; Clear working memory to prevent using old facts.
(clear-wm)
;; For some weird reason facts in GlobalMt are being deleted.
;; Loading this file again fixes the problem for now.
(fire::meld-file->kb (concatenate 'string file-root "rules.meld"))
(setq current-place (ask-q (list 'isObjectCurrentlyIn object '?x)))
(write current-place) (terpri) (terpri) ;; TODO - Delete.
(setq current-place (cdr (car (car current-place))))
(setq output-response-list (append output-response-list (list current-place)))
)
;; Otherwise the line is in one of the forms:
;; 1 - "1 Mary got the milk there."
;; 2 - "2 John moved to the bedroom."
;; 2 - "9 John put down the football."
;;
;; Add information to the KB.
(let ((event-mt (intern (event-name-from-number event-number)))
(action (get-equivalent-action (nth 2 tokens)))
(person nil)
(place nil)
(object nil))
;; Store data in KB.
(kb-store (list 'isa event-mt 'Microtheory) 'TaskLocalMt)
(kb-store (list 'genlMt event-mt 'TaskLocalMt) 'TaskLocalMt)
;; Decide which of is the form of the sentence.
(cond
((eql action 'MovesTo)
(progn
(setq person (intern (add-task-prefix (nth 1 tokens))))
(setq place (intern (add-task-prefix (string-right-trim "." (car (last tokens))))))
(kb-store (list 'MovesTo person place) event-mt)
)
)
((or (eql action 'pickedUpObject) (eql action 'droppedObject))
(progn
(setq person (intern (add-task-prefix (nth 1 tokens))))
(setq object-name (string-right-trim "." (nth 4 tokens)))
(if (string= object-name "the")
(setq object-name (string-right-trim "." (nth 5 tokens)))
)
(setq object (intern (add-task-prefix object-name)))
(kb-store (list action person object) event-mt)
)
)
(t (progn
(terpri) (write "not found: ") (write (nth 2 tokens))
(write action) (terpri))
)
)
(if previous-event
(kb-store (list 'happensAfter event-mt previous-event) 'TaskLocalMt)
)
;; Update previous event.
(setq previous-event event-mt)
)
)
))
)
;; return the list of places got from the "Where is" queries.
output-response-list)
)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Task 3 related functions
(defun execute-task3 (lines)
(let ((output-response-list '())
(previous-event nil))
(dolist (line lines)
(let ((tokens (string-split (list #\Space #\tab) line)))
(let ((event-number (nth 0 tokens)))
;; If first token is "1" clean the KB.
(if (string= event-number "1")
(progn
(setq previous-event nil)
(clean-local-mt)
)
)
(if (string= (nth 1 tokens) "Where")
;; The line is of the form "39 Where was the apple before the bathroom? office 38 25 22"
;; perform a query.
(let ((object (intern (add-task-prefix (nth 4 tokens))))
(query-place (intern (add-task-prefix (string-right-trim "?" (nth 7 tokens)))))
(place-before nil))
;; Clear working memory to prevent using old facts.
(clear-wm)
;; For some weird reason facts in GlobalMt are being deleted.
;; Loading this file again fixes the problem for now.
(fire::meld-file->kb (concatenate 'string file-root "rules.meld"))
(setq place-before (ask-q (list 'wasInPlaceBefore object query-place '?x)))
(write place-before) (terpri) (terpri) ;; TODO - Delete.
(setq place-before (cdr (car (car place-before))))
(setq output-response-list (append output-response-list (list place-before)))
)
;; Otherwise the line is in one of the forms:
;; 1 - "1 Mary got the milk there."
;; 2 - "2 John moved to the bedroom."
;; 2 - "9 John put down the football."
;;
;; Add information to the KB.
(let ((event-mt (intern (event-name-from-number event-number)))
(action (get-equivalent-action (nth 2 tokens)))
(person nil)
(place nil)
(object nil))
;; Store data in KB.
(kb-store (list 'isa event-mt 'Microtheory) 'TaskLocalMt)
(kb-store (list 'genlMt event-mt 'TaskLocalMt) 'TaskLocalMt)
;; Decide which of is the form of the sentence.
(cond
((eql action 'MovesTo)
(progn
(setq person (intern (add-task-prefix (nth 1 tokens))))
(setq place (intern (add-task-prefix (string-right-trim "." (car (last tokens))))))
(kb-store (list 'MovesTo person place) event-mt)
(clear-wm)
;; For some weird reason facts in GlobalMt are being deleted.
;; Loading this file again fixes the problem for now.
(fire::meld-file->kb (concatenate 'string file-root "rules.meld"))
(setq objects (ask-q (list 'isHoldingObject person '?x)))
(write objects) (terpri) (terpri) ;; TODO - Delete.
(setq objects-list '())
(dolist (obj objects)
(kb-store (list 'wasObjectIn (cdr (car obj)) place) event-mt)
)
)
)
((or (eql action 'pickedUpObject) (eql action 'droppedObject))
(progn
(setq person (intern (add-task-prefix (nth 1 tokens))))
(setq object-name (string-right-trim "." (nth 4 tokens)))
(if (string= object-name "the")
(setq object-name (string-right-trim "." (nth 5 tokens)))
)
(setq object (intern (add-task-prefix object-name)))
(kb-store (list action person object) event-mt)
(clear-wm)
;; For some weird reason facts in GlobalMt are being deleted.
;; Loading this file again fixes the problem for now.
(fire::meld-file->kb (concatenate 'string file-root "rules.meld"))
(setq current-place (ask-q (list 'isObjectCurrentlyIn object '?x)))
(write current-place) (terpri) (terpri) ;; TODO - Delete.
(setq current-place (cdr (car (car current-place))))
(kb-store (list 'wasObjectIn object current-place) event-mt)
)
)
(t (progn
(terpri) (write "not found: ") (write (nth 2 tokens))
(write action) (terpri))
)
)
(if previous-event
(kb-store (list 'happensAfter event-mt previous-event) 'TaskLocalMt)
)
;; Update previous event.
(setq previous-event event-mt)
)
)
))
)
;; return the list of places got from the "Where is" queries.
output-response-list)
)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Task 4 related functions
(defun execute-task4 (lines)
(let ((output-response-list '())
(previous-event nil))
(dolist (line lines)
(let ((tokens (string-split (list #\Space #\tab) line)))
(let ((event-number (nth 0 tokens)))
;; If first token is "1" clean the KB.
(if (string= event-number "1")
(progn
(setq previous-event nil)
(clean-local-mt)
)
)
(if (string= (nth 1 tokens) "What")
;; The line has two forms:
;; 1 - "3 What is the bathroom east of? bedroom 2"
;; 2 - "3 What is west of the kitchen? bedroom 1"
;; perform a query.
(let ((place nil)
(direction nil)
(answer nil))
;; Clear working memory to prevent using old facts.
(clear-wm)
;; For some weird reason facts in GlobalMt are being deleted.
;; Loading this file again fixes the problem for now.
(fire::meld-file->kb (concatenate 'string file-root "rules.meld"))
(if (string= (nth 3 tokens) "the")
;; First question format
(progn
(setq place (intern (add-task-prefix (nth 4 tokens))))
(setq direction (intern (add-direction-suffix (nth 5 tokens))))
(setq answer (ask-q (list direction place '?x)))
)
;; else, second format
(progn
(setq place (intern (add-task-prefix (string-right-trim "?" (nth 6 tokens)))))
(setq direction (intern (add-direction-suffix (nth 3 tokens))))
(setq answer (ask-q (list direction '?x place)))
)
)
(write answer) (terpri) (terpri) ;; TODO - Delete.
(setq answer (cdr (car (car answer))))
(setq output-response-list (append output-response-list (list answer)))
)
;; Otherwise the line is of the form "1 The hallway is east of the bathroom."
;; Add information to the KB.
(let ((event-mt (intern (event-name-from-number event-number)))
(place1 (intern (add-task-prefix (nth 2 tokens))))
(direction (intern (add-direction-suffix (nth 4 tokens))))
(place2 (intern (add-task-prefix (string-right-trim "." (car (last tokens)))))))
;; Store data in KB.
(kb-store (list 'isa event-mt 'Microtheory) 'TaskLocalMt)
(kb-store (list 'genlMt event-mt 'TaskLocalMt) 'TaskLocalMt)
(kb-store (list direction place1 place2) event-mt)
(if previous-event
(kb-store (list 'happensAfter event-mt previous-event) 'TaskLocalMt)
)
;; Update previous event.
(setq previous-event event-mt)
)
)
))
)
;; return the list of places got from the "Where is" queries.
output-response-list)
)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Task 5 related functions
(defun execute-task5 (lines)
(let ((output-response-list '())
(previous-event nil))
(dolist (line lines)
(let ((tokens (string-split (list #\Space #\tab) line)))
(let ((event-number (nth 0 tokens)))
;; If first token is "1" clean the KB.
(if (string= event-number "1")
(progn
(setq previous-event nil)
(clean-local-mt)
)
)
(cond
((string= (nth 1 tokens) "What")
;; The line is of the form "9 What did Fred give to Jeff? football 8"
;; perform a query.
(let ((give-person (add-task-prefix (nth 3 tokens)))
(receive-person (add-task-prefix (string-right-trim "?" (nth 6 tokens)))))
;; Clear working memory to prevent using old facts.
(clear-wm)
;; For some weird reason facts in GlobalMt are being deleted.
;; Loading this file again fixes the problem for now.
(fire::meld-file->kb (concatenate 'string file-root "rules.meld"))
(setq give-object (ask-q (list 'giveTo (intern give-person) (intern receive-person) '?x)))
(write give-object) (terpri) (terpri) ;; TODO - Delete.
(setq give-object (cdr (car (car give-object))))
(write give-object) (terpri) (terpri) ;; TODO - Delete.
(setq output-response-list (append output-response-list (list give-object)))
)
)
((and (string= (nth 1 tokens) "Who") (string= (nth 2 tokens) "did"))
;; The line is of the form "12 Who did Fred give the football to?"
;; perform a query.
(let ((give-person (add-task-prefix (nth 3 tokens)))
(give-object (add-task-prefix (nth 6 tokens))))
;; Clear working memory to prevent using old facts.
(clear-wm)
;; For some weird reason facts in GlobalMt are being deleted.
;; Loading this file again fixes the problem for now.
(fire::meld-file->kb (concatenate 'string file-root "rules.meld"))
(setq receive-person (ask-q (list 'giveTo (intern give-person) '?x (intern give-object))))
(write receive-person) (terpri) (terpri) ;; TODO - Delete.
(setq receive-person (cdr (car (car receive-person))))
(write receive-person) (terpri) (terpri) ;; TODO - Delete.
(setq output-response-list (append output-response-list (list receive-person)))
)
)
((and (string= (nth 1 tokens) "Who") (string= (nth 5 tokens) "to"))
;; The line is of the form "6 Who gave the football to Jeff?"
;; perform a query.
(let ((give-object (add-task-prefix (nth 4 tokens)))
(receive-person (add-task-prefix (string-right-trim "?" (nth 6 tokens)))))
;; Clear working memory to prevent using old facts.
(clear-wm)
;; For some weird reason facts in GlobalMt are being deleted.
;; Loading this file again fixes the problem for now.
(fire::meld-file->kb (concatenate 'string file-root "rules.meld"))
(setq give-person (ask-q (list 'giveTo '?x (intern receive-person) (intern give-object))))
(write give-person) (terpri) (terpri) ;; TODO - Delete.
(setq give-person (cdr (car (car give-person))))
(write give-person) (terpri) (terpri) ;; TODO - Delete.
(setq output-response-list (append output-response-list (list give-person)))
)
)
((and (string= (nth 1 tokens) "Who") (string= (nth 2 tokens) "gave"))
;; The line is of the form "7 Who gave the apple?"
;; perform a query.
(let ((give-object (add-task-prefix (string-right-trim "?" (nth 4 tokens)))))
;; Clear working memory to prevent using old facts.
(clear-wm)
;; For some weird reason facts in GlobalMt are being deleted.
;; Loading this file again fixes the problem for now.
(fire::meld-file->kb (concatenate 'string file-root "rules.meld"))
(setq give-person (ask-q (list 'lastGiveTo '?x '?y (intern give-object))))
(write give-person) (terpri) (terpri) ;; TODO - Delete.
(setq give-person (cdr (car (last (car give-person)))))
(write give-person) (terpri) (terpri) ;; TODO - Delete.
(setq output-response-list (append output-response-list (list give-person)))
)
)
((and (string= (nth 1 tokens) "Who") (string= (nth 2 tokens) "received"))
;; The line is of the form "19 Who received the apple?"
;; perform a query.
(let ((give-object (add-task-prefix (string-right-trim "?" (nth 4 tokens)))))
;; Clear working memory to prevent using old facts.
(clear-wm)
;; For some weird reason facts in GlobalMt are being deleted.
;; Loading this file again fixes the problem for now.
(fire::meld-file->kb (concatenate 'string file-root "rules.meld"))
(setq receive-person (ask-q (list 'lastGiveTo '?x '?y (intern give-object))))
(write receive-person) (terpri) (terpri) ;; TODO - Delete.
(setq receive-person (cdr (car (car receive-person))))
(write receive-person) (terpri) (terpri) ;; TODO - Delete.
(setq output-response-list (append output-response-list (list receive-person)))
)
)
;; Otherwise the line is of the form "2 Fred gave the football to Jeff."
;; or "8 Fred handed the football to Jeff."
;; or "12 Mary passed the milk to Bill."
;; Skip the line with the information about "picked up" or "discarded".
;; Add information to the KB.
((eql (get-equivalent-action (nth 2 tokens)) 'giveTo)
(let ((event-mt (intern (event-name-from-number event-number)))
(give-person (intern (add-task-prefix (nth 1 tokens))))
(give-object (intern (add-task-prefix (nth 4 tokens))))
(receive-person (intern (add-task-prefix (string-right-trim "." (car (last tokens)))))))
;; Store data in KB.
(kb-store (list 'isa event-mt 'Microtheory) 'TaskLocalMt)
(kb-store (list 'genlMt event-mt 'TaskLocalMt) 'TaskLocalMt)
(kb-store (list 'giveTo give-person receive-person give-object) event-mt)
(if previous-event
(kb-store (list 'happensAfter event-mt previous-event) 'TaskLocalMt)
)
;; Update previous event.
(setq previous-event event-mt)
)
)
) ;; end of cond
)
)
)
;; return the list of answer got from the "isCurrentlyIn" queries.
output-response-list)
)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Task 6 related functions
(defun execute-task6 (lines)
(let ((output-response-list '())
(previous-event nil))
(dolist (line lines)
(let ((tokens (string-split (list #\Space #\tab) line)))
(let ((event-number (nth 0 tokens)))
;; If first token is "1" clean the KB.
(if (string= event-number "1")
(progn
(setq previous-event nil)
(clean-local-mt)
)
)
(if (string= (nth 1 tokens) "Is")
;; The line is of the form "3 Is John in the kitchen? no 2"
;; perform a query.
(let ((person (add-task-prefix (nth 2 tokens)))
(judge-place (add-task-prefix (string-right-trim "?" (nth 5 tokens))))
(ans nil))
;; Clear working memory to prevent using old facts.
(clear-wm)
;; For some weird reason facts in GlobalMt are being deleted.
;; Loading this file again fixes the problem for now.
(fire::meld-file->kb (concatenate 'string file-root "rules.meld"))
(setq current-place (ask-q (list 'isCurrentlyIn (intern person) '?x)))
(write current-place) (terpri) (terpri) ;; TODO - Delete.
(setq current-place (cdr (car (car current-place))))
(write current-place) (terpri) (terpri)
(write (intern judge-place)) (terpri) (terpri)
(setq answer (if (eql (intern judge-place) current-place) "yes" "no"))
(setq output-response-list (append output-response-list (list answer)))
)
;; Otherwise the line is of the form "2 John moved to the bedroom." or "1 Daniel went back to the kitchen."
;; Skip the line with the information about "picked up" or "discarded".
;; Add information to the KB.
(if (or (string= (nth 3 tokens) "to") (string= (nth 4 tokens) "to"))
(let ((event-mt (intern (event-name-from-number event-number)))
(person (intern (add-task-prefix (nth 1 tokens))))
(place (intern (add-task-prefix (string-right-trim "." (car (last tokens)))))))
;; Store data in KB.
(kb-store (list 'isa event-mt 'Microtheory) 'TaskLocalMt)
(kb-store (list 'genlMt event-mt 'TaskLocalMt) 'TaskLocalMt)
(kb-store (list 'MovesTo person place) event-mt)
(if previous-event
(kb-store (list 'happensAfter event-mt previous-event) 'TaskLocalMt)
)
;; Update previous event.
(setq previous-event event-mt)
)
)
)
))
)
;; return the list of answer got from the "isCurrentlyIn" queries.
output-response-list)
)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Task 7 related functions
(defun execute-task7 (lines)
(let ((output-response-list '())
(previous-event nil))
(dolist (line lines)
(let ((tokens (string-split (list #\Space #\tab) line)))
(let ((event-number (nth 0 tokens)))
;; If first token is "1" clean the KB.
(if (string= event-number "1")
(progn
(setq previous-event nil)
(clean-local-mt)
)
)
(if (string= (nth 1 tokens) "How")
;; The line is of the form "3 How many objects is Mary carrying? one 1"
;; perform a query.
(let ((person (intern (add-task-prefix (nth 5 tokens))))
(objects nil))
;; Clear working memory to prevent using old facts.
(clear-wm)
;; For some weird reason facts in GlobalMt are being deleted.
;; Loading this file again fixes the problem for now.
(fire::meld-file->kb (concatenate 'string file-root "rules.meld"))
(setq objects (ask-q (list 'isHoldingObject person '?x)))
(write objects) (terpri) (terpri) ;; TODO - Delete.
(setq number-objects (get-written-number (length objects)))
(setq output-response-list (append output-response-list (list number-objects)))
)
;; Otherwise the line is in one of the forms:
;; 1 - "1 Mary got the milk there."
;; 2 - "2 John moved to the bedroom."
;; 2 - "9 John put down the football."
;; 3 - "8 Mary gave the milk to Sandra."
;;
;; Add information to the KB.
(let ((event-mt (intern (event-name-from-number event-number)))
(action (get-equivalent-action (nth 2 tokens)))
(person nil)
(other-person nil)
(place nil)
(object nil))
;; Store data in KB.
(kb-store (list 'isa event-mt 'Microtheory) 'TaskLocalMt)
(kb-store (list 'genlMt event-mt 'TaskLocalMt) 'TaskLocalMt)
;; Decide which of is the form of the sentence.
(cond
((eql action 'MovesTo)
(progn
(setq person (intern (add-task-prefix (nth 1 tokens))))
(setq place (intern (add-task-prefix (string-right-trim "." (car (last tokens))))))
(kb-store (list 'MovesTo person place) event-mt)
)
)
((or (eql action 'pickedUpObject) (eql action 'droppedObject))
(progn
(setq person (intern (add-task-prefix (nth 1 tokens))))
(setq object-name (string-right-trim "." (nth 4 tokens)))
(if (string= object-name "the")
(setq object-name (string-right-trim "." (nth 5 tokens)))
)
(setq object (intern (add-task-prefix object-name)))
(kb-store (list action person object) event-mt)
)
)
((eql action 'giveTo)
(progn
(setq person (intern (add-task-prefix (nth 1 tokens))))
(setq object-name (string-right-trim "." (nth 4 tokens)))
(if (string= object-name "the")
(setq object-name (string-right-trim "." (nth 5 tokens)))
)
(setq object (intern (add-task-prefix object-name)))
(setq other-person (intern (add-task-prefix (string-right-trim "." (nth 6 tokens)))))
(kb-store (list action person other-person object) event-mt)
)
)
(t (progn
(terpri) (write "not found: ") (write (nth 2 tokens))
(write action) (terpri))
)
)
(if previous-event
(kb-store (list 'happensAfter event-mt previous-event) 'TaskLocalMt)
)
;; Update previous event.
(setq previous-event event-mt)
)
)
))
)
;; return the list of places got from the "Where is" queries.
output-response-list)
)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Task 8 related functions
(defun execute-task8 (lines)
(let ((output-response-list '())
(previous-event nil))
(dolist (line lines)
(let ((tokens (string-split (list #\Space #\tab) line)))
(let ((event-number (nth 0 tokens)))
;; If first token is "1" clean the KB.
(if (string= event-number "1")
(progn
(setq previous-event nil)
(clean-local-mt)
)
)
(if (string= (nth 1 tokens) "What")
;; The line is of the form "3 What is Mary carrying? milk 1"
;; perform a query.
(let ((person (intern (add-task-prefix (nth 3 tokens))))
(objects nil))
;; Clear working memory to prevent using old facts.
(clear-wm)
;; For some weird reason facts in GlobalMt are being deleted.
;; Loading this file again fixes the problem for now.
(fire::meld-file->kb (concatenate 'string file-root "rules.meld"))
(setq objects (ask-q (list 'isHoldingObject person '?x)))
(write objects) (terpri) (terpri) ;; TODO - Delete.
(setq objects-list '())
(dolist (obj objects)
(write obj) (terpri)
(write (car obj)) (terpri)
(write (cdr (car obj))) (terpri)
(setq objects-list (append objects-list (list (cdr (car obj)))))
)
(write objects-list) (terpri)
(setq output-response-list (append output-response-list (list objects-list)))
)
;; Otherwise the line is in one of the forms:
;; 1 - "1 Mary got the milk there."
;; 2 - "2 John moved to the bedroom."
;; 2 - "9 John put down the football."
;; 3 - "8 Mary gave the milk to Sandra."
;;
;; Add information to the KB.
(let ((event-mt (intern (event-name-from-number event-number)))
(action (get-equivalent-action (nth 2 tokens)))
(person nil)
(other-person nil)
(place nil)
(object nil))
;; Store data in KB.
(kb-store (list 'isa event-mt 'Microtheory) 'TaskLocalMt)
(kb-store (list 'genlMt event-mt 'TaskLocalMt) 'TaskLocalMt)
;; Decide which of is the form of the sentence.
(cond
((eql action 'MovesTo)
(progn
(setq person (intern (add-task-prefix (nth 1 tokens))))
(setq place (intern (add-task-prefix (string-right-trim "." (car (last tokens))))))
(kb-store (list 'MovesTo person place) event-mt)
)
)
((or (eql action 'pickedUpObject) (eql action 'droppedObject))
(progn
(setq person (intern (add-task-prefix (nth 1 tokens))))
(setq object-name (string-right-trim "." (nth 4 tokens)))
(if (string= object-name "the")
(setq object-name (string-right-trim "." (nth 5 tokens)))
)
(setq object (intern (add-task-prefix object-name)))
(kb-store (list action person object) event-mt)
)
)
((eql action 'giveTo)
(progn
(setq person (intern (add-task-prefix (nth 1 tokens))))
(setq object-name (string-right-trim "." (nth 4 tokens)))
(if (string= object-name "the")
(setq object-name (string-right-trim "." (nth 5 tokens)))
)
(setq object (intern (add-task-prefix object-name)))
(setq other-person (intern (add-task-prefix (string-right-trim "." (nth 6 tokens)))))
(kb-store (list action person other-person object) event-mt)
)
)
(t (progn
(terpri) (write "not found: ") (write (nth 2 tokens))
(write action) (terpri))
)
)
(if previous-event
(kb-store (list 'happensAfter event-mt previous-event) 'TaskLocalMt)
)
;; Update previous event.
(setq previous-event event-mt)
)
)
))
)
;; return the list of places got from the "Where is" queries.
output-response-list)
)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Task 9 related functions
(defun execute-task9 (lines)
(let ((output-response-list '())
(previous-event nil))
(dolist (line lines)
(let ((tokens (string-split (list #\Space #\tab) line)))
(let ((event-number (nth 0 tokens)))
;; If first token is "1" clean the KB.
(if (string= event-number "1")
(progn
(setq previous-event nil)
(clean-local-mt)
)
)
(cond
((string= (nth 1 tokens) "Is")
;; The line is of the form "3 Is Sandra in the bedroom? no 2"
;; perform a query.
(let ((person (add-task-prefix (nth 2 tokens)))
(judge-place (add-task-prefix (string-right-trim "?" (nth 5 tokens))))
(answer nil))
;; Clear working memory to prevent using old facts.
(clear-wm)
;; For some weird reason facts in GlobalMt are being deleted.
;; Loading this file again fixes the problem for now.
(fire::meld-file->kb (concatenate 'string file-root "rules.meld"))
(setq current-place (ask-q (list 'isCurrentlyIn (intern person) '?x)))
(write current-place) (terpri) (terpri) ;; TODO - Delete.
(setq current-place (cdr (car (car current-place))))
(write current-place) (terpri) (terpri)
(write (intern judge-place)) (terpri) (terpri)
(setq answer (if (eql (intern judge-place) current-place) "yes" "no"))
(setq output-response-list (append output-response-list (list answer)))
)
)
;; Otherwise the line is of the form "1 John is in the hallway."
;; or "7 Mary went back to the bathroom."
;; or "4 Sandra journeyed to the bedroom.""
;; Add information to the KB.
((or (string= (nth 3 tokens) "to") (string= (nth 4 tokens) "to") (and (string= (nth 2 tokens) "is") (string= (nth 3 tokens) "in")))
(let ((event-mt (intern (event-name-from-number event-number)))
(person (intern (add-task-prefix (nth 1 tokens))))
(place (intern (add-task-prefix (string-right-trim "." (car (last tokens)))))))
;; Store data in KB.
(kb-store (list 'isa event-mt 'Microtheory) 'TaskLocalMt)
(kb-store (list 'genlMt event-mt 'TaskLocalMt) 'TaskLocalMt)
(kb-store (list 'MovesTo person place) event-mt)
(if previous-event
(kb-store (list 'happensAfter event-mt previous-event) 'TaskLocalMt)
)
;; Update previous event.
(setq previous-event event-mt)
)
)
;; For the line of the form "8 Sandra is no longer in the bedroom." or "11 Mary is not in the bathroom."
;; Add information in KB as "MovesTo TaskSandra Taskunknownplace"
((and (string= (nth 2 tokens) "is") (or (string= (nth 3 tokens) "no") (string= (nth 3 tokens) "not")))
(let ((event-mt (intern (event-name-from-number event-number)))
(person (intern (add-task-prefix (nth 1 tokens)))))
;; Store data in KB.
(kb-store (list 'isa event-mt 'Microtheory) 'TaskLocalMt)
(kb-store (list 'genlMt event-mt 'TaskLocalMt) 'TaskLocalMt)
(kb-store (list 'MovesTo person 'Taskunknownplace) event-mt)
(if previous-event
(kb-store (list 'happensAfter event-mt previous-event) 'TaskLocalMt)
)
;; Update previous event.
(setq previous-event event-mt)
)
)
) ;; end of cond
))
)
;; return the list of answer got from the "isCurrentlyIn" queries.
output-response-list)
)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Task 10 related functions
(defun execute-task10 (lines)
(let ((output-response-list '())
(previous-event nil))
(dolist (line lines)
(let ((tokens (string-split (list #\Space #\tab) line)))
(let ((event-number (nth 0 tokens)))
;; If first token is "1" clean the KB.
(if (string= event-number "1")
(progn
(setq previous-event nil)
(clean-local-mt)
)
)
(if (string= (nth 1 tokens) "Is")
;; The line is of the form "6 Is Bill in the bedroom? yes 4"
;; perform a query.
(let ((person (intern (add-task-prefix (nth 2 tokens))))
(judge-place (intern (add-task-prefix (string-right-trim "?" (nth 5 tokens)))))
(current-places nil)
(places-list nil)
(answer nil))
;; Clear working memory to prevent using old facts.
(clear-wm)