Is the crime data on the Trulia neighborhood heatmap tool updated frequently enough to assess gentrifying areas in Washington DC?
Fan-out diagram
Seed → topic clusters → sub-queries, per model.
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
Classes come from the query-classifier (a local Laya model). 2 of 2 calls are low-confidence (under 50%) — hover a query in the table to see its confidence. 33 queries are still being classified.
What the models actually searched
Each model answered the query with its own web search. These are the searches it ran, matched to the closest simulated query.
- Trulia to drop neighborhood crime data from home listings, after Redfin speaks out against practice · geekwire.com
- DC Crime Cards · octo.dc.gov
- Crime Incidents · arcgis.com
- Washington Crime Map · safemap.io
- DC Crime Cards · crimecards.dc.gov
- DC Open Data · opendata.dc.gov
- Census data · data.census.gov
- Zillow · zillow.com
Semantic map
Every query placed by meaning (EmbeddingGemma 2, 256-d). Shaded regions are topics, nearby points are near-paraphrases, and a circle's size is how often the query came back.
Queries
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
how often is trulia crime map data updated REFORMULATION | Google ↗ AI Mode ↗ | The user wants to know the exact update frequency and schedule of the crime data featured on Trulia. | — | faq_page | trulia crime data update frequency | 2x of 3 | |
how often is trulia crime data updated REFORMULATION | Google ↗ AI Mode ↗ | Find the exact update frequency for crime data on Trulia's maps. | — | faq_page | trulia crime data update frequency | 1x of 3 | |
trulia crime heatmap reliability for gentrifying neighborhoods washington dc RELATED | Google ↗ AI Mode ↗ | Understand if Trulia's crime overlay is accurate enough to track rapid neighborhood changes in DC. | — | web_article | tracking washington dc gentrification | 1x of 3 | |
trulia crime heatmap update frequency data source REFORMULATION | Google ↗ AI Mode ↗ | The searcher is looking for information regarding both the update schedule and the underlying data providers for Trulia's crime feature. | — | web_article | trulia crime data update frequency | 1x of 3 | |
trulia crime heatmap update frequency gentrification analysis RELATED | Google ↗ AI Mode ↗ | The user is exploring how well Trulia's crime data timeline aligns with tracking rapid neighborhood socioeconomic changes. | — | web_article | trulia crime data update frequency | 1x of 3 | |
best real estate crime maps for tracking gentrification ENTITY EXPANSION | Google ↗ AI Mode ↗ | Discover alternative or better mapping tools specifically useful for analyzing gentrification. | — | review_roundup | tracking washington dc gentrification | 1x of 3 | |
is real estate crime data reliable for tracking gentrification RELATED | Google ↗ AI Mode ↗ | The searcher wants to understand the methodological validity of using public crime statistics as an indicator of neighborhood gentrification. | — | pdf_whitepaper | real estate investment crime statistics | 1x of 3 | |
best real estate tool for tracking gentrification dc IMPLICIT | Google ↗ AI Mode ↗ | The user wants alternative or better platforms if Trulia is insufficient for tracking gentrification in Washington DC. | — | review_roundup | tracking washington dc gentrification | 1x of 3 | |
trulia crime data vs spotcrime accuracy washington dc COMPARATIVE | Google ↗ AI Mode ↗ | Compare Trulia's crime data source and update speed with another dedicated crime mapping service in DC. | — | comparison_table | trulia crime data accuracy comparison | 1x of 3 | |
best neighborhood crime maps for Washington DC gentrification analysis RELATED | Google ↗ AI Mode ↗ | The searcher is looking for alternative or superior tools to Trulia that can help analyze crime patterns in DC over time. | — | review_roundup | tracking washington dc gentrification | 1x of 3 | |
trulia crime map vs neighborhood scout data accuracy COMPARATIVE | Google ↗ AI Mode ↗ | The user wants to compare Trulia's crime heatmap against another major mapping tool to see which has better updates. | — | comparison_table | trulia crime data accuracy comparison | 1x of 3 | |
how do gentrifying neighborhoods in dc show up on crime heatmaps IMPLICIT | Google ↗ AI Mode ↗ | Learn the pattern of crime statistics changes in areas undergoing gentrification in Washington DC. | — | case_study | tracking washington dc gentrification | 1x of 3 | |
indicators of gentrification in washington dc neighborhoods IMPLICIT | Google ↗ AI Mode ↗ | The searcher needs to know what metrics and signs define gentrification in DC beyond just crime data changes. | — | web_article | tracking washington dc gentrification | 1x of 3 | |
washington dc crime data sources for public mapping tools ENTITY EXPANSION | Google ↗ AI Mode ↗ | The user wants to know where mapping platforms source their Washington DC crime statistics to judge accuracy. | — | dataset | washington dc crime data sources | 1x of 3 | |
im a real estate investor looking for up to date crime stats in emerging dc markets PERSONALIZED | Google ↗ AI Mode ↗ | Find actionable real estate investment insights using fresh crime data in transitioning DC areas. | — | buyers_guide | real estate investment crime statistics | 1x of 3 | |
how accurate is trulia neighborhood crime data IMPLICIT | Google ↗ AI Mode ↗ | The searcher wants user opinions or platform accuracy reports regarding Trulia's crime overlay accuracy. | — | forum/qna | trulia crime data accuracy comparison | 1x of 3 | |
is real estate data updated in real time for investment research PERSONALIZED | Google ↗ AI Mode ↗ | The user wants to understand general industry standards for data latency when conducting property investment research. | — | buyers_guide | real estate investment crime statistics | 1x of 3 | |
where does trulia get its crime data REFORMULATION | Google ↗ AI Mode ↗ | Identify the underlying data providers for Trulia's crime feature. | — | faq_page | trulia crime data accuracy comparison | 1x of 3 | |
trulia crime map vs spotcrime for washington dc COMPARATIVE | Google ↗ AI Mode ↗ | The searcher wants to compare Trulia's crime tracking capabilities and freshness against dedicated crime mapping platforms in DC. | — | comparison_table | trulia crime data accuracy comparison | 1x of 3 | |
mpdc crime stats update frequency open data dc REFORMULATION | Google ↗ AI Mode ↗ | The user wants to check the official update schedule of Washington DC Metropolitan Police Department data. | — | api_reference | washington dc crime data sources | 1x of 3 | |
washington dc open data crime API update frequency RELATED | Google ↗ AI Mode ↗ | Check how frequently the primary police data source for DC updates its feeds. | — | api_reference | washington dc crime data sources | 1x of 3 | |
zillow crime data vs trulia crime data update speed COMPARATIVE | Google ↗ AI Mode ↗ | The searcher wants to know if parent company Zillow's data synchronization impacts Trulia's crime map refresh rates. | — | comparison_table | trulia crime data accuracy comparison | 1x of 3 | |
how to spot gentrification using neighborhood crime statistics RELATED | Google ↗ AI Mode ↗ | The user wants a methodological guide on using falling or shifting crime rates as an indicator of gentrification. | — | how_to_steps | tracking washington dc gentrification | 1x of 3 | |
limitations of using crime heatmaps for real estate research IMPLICIT | Google ↗ AI Mode ↗ | Understand the pitfalls and lag times inherent in neighborhood crime mapping tools. | — | pdf_whitepaper | real estate investment crime statistics | 1x of 3 | |
washington dc crime data open data portal update frequency ENTITY EXPANSION | Google ↗ AI Mode ↗ | The searcher wants to check the raw update frequency of Washington DC's official police department data feeds. | — | dataset | washington dc crime data sources | 1x of 3 | |
what is the lag time on trulia neighborhood heatmaps IMPLICIT | Google ↗ AI Mode ↗ | The user wants to know the exact delay between an actual crime event occurring and it appearing on Trulia. | — | glossary/definition | trulia crime data update frequency | 1x of 3 | |
mpdc crime map refresh rate vs third party real estate apps COMPARATIVE | Google ↗ AI Mode ↗ | Determine the time delay between official police department crime data releases and their appearance on apps like Trulia. | — | dataset | real estate investment crime statistics | 1x of 3 | |
redfin vs trulia crime data comparison COMPARATIVE | Google ↗ AI Mode ↗ | The user wants to see how Redfin's crime overlays compare to Trulia's in terms of update frequency. | — | comparison_table | trulia crime data accuracy comparison | 1x of 3 | |
dc mpd crime stats api update schedule ENTITY EXPANSION | Google ↗ AI Mode ↗ | The searcher is looking for technical documentation on how frequently the Metropolitan Police Department updates its public crime feeds. | — | api_reference | washington dc crime data sources | 1x of 3 | |
how to analyze real estate investment potential using crime statistics PERSONALIZED | Google ↗ AI Mode ↗ | The searcher wants a step-by-step framework for incorporating crime trends into real estate investment and gentrification analysis. | — | how_to_steps | real estate investment crime statistics | 1x of 3 | |
washington dc neighborhood change indicators urban development ENTITY EXPANSION | Google ↗ AI Mode ↗ | The user is looking for broader urban planning indicators used to assess gentrification beyond just crime data. | — | pdf_whitepaper | tracking washington dc gentrification | 1x of 3 | |
tracking gentrification trends in washington dc wards PERSONALIZED | Google ↗ AI Mode ↗ | The searcher is seeking practical case studies or guides on how gentrification is measured across specific wards in Washington DC. | — | case_study | tracking washington dc gentrification | 1x of 3 | |
do crime map heatmaps accurately reflect neighborhood gentrification RELATED | Google ↗ AI Mode ↗ | The user wants expert discussion on the reliability and limitations of using crime heatmaps for gentrification studies. | — | forum/qna | tracking washington dc gentrification | 1x of 3 |
Passes
Does another pass still surface new queries? A flattening curve means the fan-out has stabilised.
| Model | Pass | Target | Generated | Seconds | Tokens (in / out) | Notes |
|---|---|---|---|---|---|---|
| gemini-3.5-flash-lite | 1 | 12 | 12 | — | 921 / 1,567 | |
| gemini-3.5-flash-lite | 2 | 10 | 10 | — | 921 / 1,296 | |
| gemini-3.5-flash-lite | 3 | 12 | 12 | — | 921 / 1,558 |