alex/restaurant-search
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Fixing innerProduct

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This commit is contained in:
Alex Yatskov 2014-09-12 23:12:11 +09:00
parent f3f23a288b
commit 89a2de1e15
2 changed files with 10 additions and 5 deletions
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14
server/db/search.js
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@ -6,19 +6,23 @@ var db_data = require('./data.json');
function innerProduct(values1, values2) { function innerProduct(values1, values2) {
var result = 0; var result = 0.0;
for (var feature in values1) { for (var feature in values1) {
result += (values1[feature] || 0.0) * (values2[feature] || 0.0); result += values1[feature] * (values2[feature] || 0.0);
} }
return result; return result;
} }
function scale(values, factor) { function scale(values, factor) {
return _.map(values, function(value) { var result = {};
return value * factor;
}); for (var feature in values) {
result[feature] = values[feature] * factor;
}
return result;
} }
function countData(searchParams, minScore) { function countData(searchParams, minScore) {

1
server/server.js
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@ -16,6 +16,7 @@ function main() {
app.use('/search', function(req, res) { app.use('/search', function(req, res) {
console.log('Requesting search'); console.log('Requesting search');
console.log(req.query);
res.json(search.execQuery(req.query)); res.json(search.execQuery(req.query));
}); });