```json { "proposals": [ { "join_class": "temporal", "column": "Largest US Venture Funding Deals Of 2023.Date reported", "kind": "external_candidate", "entry_id": null, "name": "US federal holidays", "probable_url": "https://www.opm.gov/policy-data-oversight/pay-leave/federal-holidays/", "license_expectation": "Public domain (US government work)", "join_story": "Joining US federal holidays to the deal announcement dates would reveal whether major funding rounds cluster around or avoid holiday periods, showing seasonal patterns in venture capital activity.", "teaches": "Whether your funding announcements follow typical business rhythms or break from the calendar that governs most corporate activity." }, { "join_class": "currency", "column": "Largest US Venture Funding Deals Of 2023.Amount", "kind": "external_candidate", "entry_id": null, "name": "Federal Reserve H.10 foreign exchange rates", "probable_url": "https://www.federalreserve.gov/releases/h10/hist/", "license_expectation": "Public domain (US government work)", "join_story": "Joining daily exchange rates to the deal dates would let you restate every funding amount in other currencies, revealing how dollar-denominated deals compare to international venture markets.", "teaches": "How your dollar-valued deals would rank if measured in euros or other currencies, separating deal size from currency strength." }, { "join_class": "geo_state", "column": "Largest US Venture Funding Deals Of 2023.Industry", "kind": "external_candidate", "entry_id": null, "name": "US Census Bureau state population estimates", "probable_url": "https://www.census.gov/data/tables/time-series/demo/popest/2020s-state-total.html", "license_expectation": "Public domain (US government work)", "join_story": "If company headquarters states were added to the dataset, joining state populations would normalize deal concentration by market size, showing which states punch above their weight in venture funding per capita.", "teaches": "Whether funding concentrates where people live or whether certain states attract disproportionate venture capital relative to their population." } ] } ```