Semantics

build/build.go

@@ -53,19 +53,22 @@ func (s scrapeCtx) load(url string) (*goquery.Document, error) {
 	return s.wc.load(url)
 }
 
+type semantics struct {
+	accomodating float64
+	affordable   float64
+	atmospheric  float64
+	delicious    float64
+}
+
 type restaurant struct {
 	name string
 
 	latitude  float64
 	longitude float64
 
+	sem     semantics
 	reviews []review
 
-	accomodating float64
-	affordable   float64
-	atmospheric  float64
-	delicious    float64
-
 	closestStnName string
 	closestStnDist float64
 }
@@ -145,7 +148,7 @@ func collateData(reviews []review) map[uint64]*restaurant {
 	return restaurants
 }
 
-func computeStnData(restaurants map[uint64]*restaurant, stationsPath string) error {
+func computeStations(restaurants map[uint64]*restaurant, stationsPath string) error {
 	sq, err := newStationQuery(stationsPath)
 	if err != nil {
 		return err
@@ -158,6 +161,12 @@ func computeStnData(restaurants map[uint64]*restaurant, stationsPath string) err
 	return nil
 }
 
+func computeSemantics(restaraunts map[uint64]*restaurant) {
+	type definer interface {
+		define(keyword string) semantics
+	}
+}
+
 func dumpData(dbPath string, restaraunts map[uint64]*restaurant) error {
 	db, err := sql.Open("sqlite3", dbPath)
 	if err != nil {
@@ -208,10 +217,10 @@ func dumpData(dbPath string, restaraunts map[uint64]*restaurant) error {
 			) VALUES(?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)`,
 			rest.name,
 			strings.Join(urls, ","),
-			rest.delicious,
+			rest.sem.delicious,
-			rest.accomodating,
+			rest.sem.accomodating,
-			rest.affordable,
+			rest.sem.affordable,
-			rest.atmospheric,
+			rest.sem.atmospheric,
 			rest.latitude,
 			rest.longitude,
 			rest.closestStnDist,
@@ -284,8 +293,11 @@ func main() {
 	log.Print(color.BlueString("collating data..."))
 	restaurants := collateData(reviews)
 
+	log.Print(color.BlueString("computing data semantics.."))
+	computeSemantics(restaurants)
+
 	log.Print(color.BlueString("computing station data..."))
-	if err := computeStnData(restaurants, *stationsPath); err != nil {
+	if err := computeStations(restaurants, *stationsPath); err != nil {
 		log.Fatal(err)
 	}
 

build/cache/geocache.json

@@ -27,6 +27,10 @@
         "Latitude": 35.5252002,
         "Longitude": 139.6930519
     },
+    "1,396,279,436": {
+        "Latitude": 39.886922,
+        "Longitude": 32.8780643
+    },
     "1-1 Akebonocho Naka-ku Yokohama Kanagawa": {
         "Latitude": 35.4419997,
         "Longitude": 139.6302873

build/tabelog.go

@@ -35,6 +35,16 @@ type tabelog struct {
 	scrapeCtx
 }
 
+func (tabelog) define(keyword string) semantics {
+	return map[string]semantics{
+		"dishes":     {accomodating: 0.0, affordable: 0.0, atmospheric: 0.0, delicious: 0.8},
+		"drinks":     {accomodating: 0.0, affordable: 0.0, atmospheric: 0.0, delicious: 0.2},
+		"service":    {accomodating: 1.0, affordable: 0.0, atmospheric: 0.0, delicious: 0.0},
+		"cost":       {accomodating: 0.0, affordable: 1.0, atmospheric: 0.0, delicious: 0.0},
+		"atmosphere": {accomodating: 0.0, affordable: 0.0, atmospheric: 1.0, delicious: 0.0},
+	}[keyword]
+}
+
 func (tabelog) index(doc *goquery.Document) (string, []string) {
 	var reviewUrls []string
 	doc.Find("div.list-rst__header > p > a").Each(func(index int, sel *goquery.Selection) {

build/tripadvisor.go

@@ -35,6 +35,15 @@ type tripadvisor struct {
 	scrapeCtx
 }
 
+func (tripadvisor) define(keyword string) semantics {
+	return map[string]semantics{
+		"food":       {accomodating: 0.0, affordable: 0.0, atmospheric: 0.0, delicious: 1.0},
+		"service":    {accomodating: 1.0, affordable: 0.0, atmospheric: 0.0, delicious: 0.0},
+		"value":      {accomodating: 0.0, affordable: 1.0, atmospheric: 0.0, delicious: 0.0},
+		"atmosphere": {accomodating: 0.0, affordable: 0.0, atmospheric: 1.0, delicious: 0.0},
+	}[keyword]
+}
+
 func (tripadvisor) index(doc *goquery.Document) (string, []string) {
 	var reviewUrls []string
 	doc.Find("a.property_title").Each(func(index int, sel *goquery.Selection) {