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WeAreDevelopers LIVE • Dec 3, 2020

100 million days in Vienna: A story of APIs & AI in tourism.

Thomas Reiter

Travelers are overwhelmed by fragmented data across multiple tabs. See how developers cured decision fatigue by building a Node.js and TensorFlow.js recommender system. Discover the power of procedural scheduling.

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#1 about 4 min

Introduction to tourism industry data and terminology

Understanding places of interest, guest terminology, and destination marketing data for developers building applications.

#2 about 9 min

Walkthrough of the itinerary generation application prototype

Demonstrating a questionnaire and personalized day plan results to inspire curated trips around Vienna.

#3 about 7 min

Software architecture overview using the C4 model

Using the C4 model to map out a microservices architecture communicating with a central data hub.

#4 about 6 min

Opinionated location aggregation and embedded plugin endpoints

Consuming aggregated place of interest APIs and providing routing interfaces via standard oEmbed endpoints.

#5 about 7 min

Building itineraries by iteratively dressing structural skeletons

Using feature vectors and cosine distance to map places of interest onto a structured daily schedule.

#6 about 5 min

Training logistic regression classification models in tensorflow.js

Applying multinomial logistic regression to classify weather and atmosphere despite subjective human labeling constraints.

#7 about 3 min

Building a structured data aggregation extraction pipeline

Extracting, transforming, and loading structured and unstructured tourism content into an aggregated knowledge graph.

#8 about 4 min

Implementing natural language processing algorithms in Node.js

Matching structured data via bigrams and cosine similarity while navigating the limitations of Node.js natural language libraries.

#9 about 3 min

Refactoring prototype application architecture into reusable frameworks

Decoupling the user interface from core data logic to support multiple destinations and flexible scaling.

Matching moments

3:32 min

Fragmented data challenges in the Austrian tourism industry

Reinhard Lanner +2 · LIVE

4:19 min

Demonstrating an AI travel assistant for business applications

Manfred Steyer Manfred Steyer · WWC Europe 2026

3:16 min

Voice AI architecture and interactive kiosk demo

Lee Boonstra · LIVE

5:06 min

Architecting the multi-step travel discovery pipeline

Steven Mi Steven Mi +1 · WWC Europe 2026

3:46 min

Five levels of generative AI using an Airbnb example

Kai Mueller Kai Mueller +1 · WWC 2024

1:44 min

Summarizing developer experience and artificial intelligence companions

Robert Hoffmann Robert Hoffmann +1 · LIVE

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