potential structure

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Thesis: Urban Quality in the Experiential City

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Claim: The most livable cities balance efficiency (structured access) and serendipity (unplanned, meaningful experiences), especially in a post-COVID context where work decentralizes and everyday experience becomes central to urban value.

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Gap

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Most urban design frameworks (e.g. 15-minute city) optimize for efficiency but neglect serendipity.

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There is no operationalized, data-driven way to measure or map serendipity at scale.

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The emerging “experiential city” demands new metrics that account for pleasure, discovery, ambiguity, and play.

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Hypothesis

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Urban well-being emerges from a dynamic balance between efficiency and serendipity.

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Cities over-optimized for proximity and predictability lose the social and creative value that comes from structured unpredictability.

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Theoretical Foundations

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Jon Kleinberg: navigable systems require a balance of local links (efficiency) and long-range randomness (serendipity).

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Jane Jacobs, William Whyte: complexity and spontaneity as civic virtues.

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Urban morphologies (CNU, space syntax): form constrains or enables experiential sequences.

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Post-COVID shift: city as platform for culture, leisure, learning—not just work.

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Place typologies: importance of 1.5 and 2.5 places as zones of porousness and hybrid use.

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Method Overview

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Define and operationalize two axes of urban quality:

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Efficiency: proximity to amenities, transit coverage, walkability (using OSM, GTFS, Walk Score, etc.)

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Serendipity: POI diversity, semantic adjacency, ambiguous use, temporal variance, street network entropy

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Use publicly available or purchasable datasets:

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OpenStreetMap

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SafeGraph / Veraset / Cuebiq

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Yelp, Foursquare, Google Places

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GTFS feeds and transit APIs

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Facebook or Eventbrite event data

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Map and score neighborhoods on both axes

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Identify spatial typologies and performance quadrants:

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High-efficiency / high-serendipity

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High-efficiency / low-serendipity

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Low-efficiency / high-serendipity

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Low-low zones

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Analyze across scales: block, neighborhood, district

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Interpret role of 1.5 / 2.5 places in enabling rich experience

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Expected Contributions

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A reproducible framework to measure and compare urban serendipity

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A new way to conceptualize and design for quality in the experiential city

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Grounded recommendations for planners to support both accessibility and spontaneous urban joy

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