lab1_changes

src/dme.ts

@@ -122,6 +122,7 @@ export const dme = setup({
             isuTransition("DowndateQUD", "integrate_usr_ask"),
             isuTransition("DowndateQUD", "integrate_answer"),
             isuTransition("DowndateQUD", "integrate_greet"),
+            isuTransition("DowndateQUD", "integrate_no_input"),
             { target: "DowndateQUD" },
           ],
         },

src/is.ts

@@ -12,11 +12,14 @@ export const initialIS = (): InformationState => {
     // Mapping from predicate to sort
     favorite_food: "food",
     booking_course: "course",
+    booking_day: "day",
   };
   const individuals: { [index: string]: string } = {
     // Mapping from individual to sort
     pizza: "food",
     LT2319: "course",
+    friday: "day",
+    tuesday: "day",
   };
   return {
     domain: {
@@ -27,6 +30,7 @@ export const initialIS = (): InformationState => {
           type: "issue",
           content: WHQ("booking_room"),
           plan: [
+			findout(WHQ("booking_day")),
             findout(WHQ("booking_course")),
             consultDB(WHQ("booking_room")),
           ],
@@ -37,9 +41,13 @@ export const initialIS = (): InformationState => {
       consultDB: (question, facts) => {
         if (objectsEqual(question, WHQ("booking_room"))) {
           const course = getFactArgument(facts, "booking_course");
-          if (course == "LT2319") {
+          const day = getFactArgument(facts, "booking_day");
+          if (course == "LT2319" && day == "friday") {
             return { predicate: "booking_room", argument: "G212" };
           }
+          if (course == "LT2319" && day == "tuesday") {
+      return { predicate: "booking_room", argument: "J440" };
+          }
         }
         return null;
       },

src/nlug.ts

@@ -37,6 +37,19 @@ const nluMapping: NLUMapping = {
       content: "LT2319",
     },
   ],
+  friday: [
+    {
+      type: "answer",
+      content: "friday",
+    },
+  ],
+  tuesday: [
+    {
+      type: "answer",
+      content: "tuesday",
+    },
+  ],
+  "*no_input*": [],
 };
 const nlgMapping: NLGMapping = [
   [{ type: "ask", content: WHQ("booking_course") }, "Which course?"],
@@ -55,6 +68,18 @@ const nlgMapping: NLGMapping = [
     },
     "The lecture is in G212.",
   ],
+  [{ type: "ask", content: WHQ("booking_day") }, "Which day?"],
+  [
+    {
+      type: "answer",
+      content: { predicate: "booking_room", argument: "J440" },
+    },
+    "The lecture is in J440.",
+  ],
+  [
+    { type: "icm:per:neg", content: null },
+    "I didn't hear anything from you.",
+  ],
 ];
 
 export function nlg(moves: Move[]): string {

src/rules.ts

@@ -144,6 +144,17 @@ export const rules: Rules = {
 
   /** TODO rule 2.8 integrate_sys_quit */
 
+  /** negative perception feedback - when no user input */
+  integrate_no_input: ({ is }) => {
+    // check if latest utterance is from user and has no moves (empty)
+    if (is.shared.lu!.speaker === "usr" && is.shared.lu!.moves.length === 0) {
+      return () => ({
+        ...is,
+        next_moves: [{ type: "icm:per:neg", content: null }, ...is.next_moves],
+      });
+    }
+  },
+
   /**
    * DowndateQUD
    */

src/types.ts

@@ -28,7 +28,7 @@ export type Question = WhQuestion;
 type WhQuestion = { type: "whq"; predicate: string };
 
 interface OtherMove {
-  type: "greet" | "request";
+  type: "greet" | "request" | "icm:per:neg";
   content: null | string;
 }
 interface AnswerMove {

test/dme.test.ts

@@ -137,9 +137,54 @@ describe("DME tests", () => {
     runTest([
       { speaker: "sys", message: "Hello! You can ask me anything!" },
       { speaker: "usr", message: "Where is the lecture?" },
+      { speaker: "sys", message: "Which day?" },
+      { speaker: "usr", message: "Friday" },
       { speaker: "sys", message: "Which course?" },
       { speaker: "usr", message: "Dialogue Systems 2" },
       { speaker: "sys", message: "The lecture is in G212." },
     ]);
   });
+
+  describe("system answer from database - Friday", () => {
+    runTest([
+      { speaker: "sys", message: "Hello! You can ask me anything!" },
+      { speaker: "usr", message: "Where is the lecture?" },
+      { speaker: "sys", message: "Which day?" },
+      { speaker: "usr", message: "Friday" },
+      { speaker: "sys", message: "Which course?" },
+      { speaker: "usr", message: "Dialogue Systems 2" },
+      { speaker: "sys", message: "The lecture is in G212." },
+    ]);
+  });
+
+  describe("system answer from database - Tuesday", () => {
+    runTest([
+      { speaker: "sys", message: "Hello! You can ask me anything!" },
+      { speaker: "usr", message: "Where is the lecture?" },
+      { speaker: "sys", message: "Which day?" },
+      { speaker: "usr", message: "Tuesday" },
+      { speaker: "sys", message: "Which course?" },
+      { speaker: "usr", message: "Dialogue Systems 2" },
+      { speaker: "sys", message: "The lecture is in J440." },
+    ]);
+  });
+
+  describe("Negative system contact feedback", () => {
+    runTest([
+      { speaker: "sys", message: "Hello! You can ask me anything!" },
+      { speaker: "usr", message: "*no_input*" },
+      { speaker: "sys", message: "I didn't hear anything from you." },
+    ]);
+  });
+
+  describe("Negative feedback followed by repeated question", () => {
+    runTest([
+      { speaker: "sys", message: "Hello! You can ask me anything!" },
+      { speaker: "usr", message: "Where is the lecture?" },
+      { speaker: "sys", message: "Which day?" },
+      { speaker: "usr", message: "*no_input*" },
+      { speaker: "sys", message: "I didn't hear anything from you. Which day?" },
+    ]);
+  });
+
 });