{ "rule": "Two moments are the same gap if one single knowledge-base entry would have answered both. For TOOL-class moments (no entry can answer), read as: one fix (one tool) would have served both.", "entry_vs_tool": "ENTRY if the requested thing is absent from the database, exists in <=3 venues (one entry can list them), or is an attraction type confined to known areas. TOOL if the answer depends on live availability or a multi-attribute search.", "gaps": [ { "name": "No Caribbean (Cuban / Jamaican) restaurant", "fix": "ENTRY", "raw_clusters": [ "R0014" ], "rationale": "The cuisine does not exist in the database at all; one entry ('we have no Caribbean (Cuban / Jamaican) restaurants \u2014 closest options are \u2026') answers every phrasing." }, { "name": "No Scandinavian (Danish / Swedish) restaurant", "fix": "ENTRY", "raw_clusters": [ "R0016" ], "rationale": "The cuisine does not exist in the database at all; one entry ('we have no Scandinavian (Danish / Swedish) restaurants \u2014 closest options are \u2026') answers every phrasing." }, { "name": "No Southeast Asian (Malaysian / Singaporean / Indonesian) restaurant", "fix": "ENTRY", "raw_clusters": [ "R0017" ], "rationale": "The cuisine does not exist in the database at all; one entry ('we have no Southeast Asian (Malaysian / Singaporean / Indonesian) restaurants \u2014 closest options are \u2026') answers every phrasing." }, { "name": "No Central European (Austrian / Hungarian) restaurant", "fix": "ENTRY", "raw_clusters": [ "R0018" ], "rationale": "The cuisine does not exist in the database at all; one entry ('we have no Central European (Austrian / Hungarian) restaurants \u2014 closest options are \u2026') answers every phrasing." }, { "name": "No German / Swiss restaurant", "fix": "ENTRY", "raw_clusters": [ "R0024" ], "rationale": "The cuisine does not exist in the database at all; one entry ('we have no German / Swiss restaurants \u2014 closest options are \u2026') answers every phrasing." }, { "name": "No Corsican restaurant", "fix": "ENTRY", "raw_clusters": [ "R0039" ], "rationale": "The cuisine does not exist in the database at all; one entry ('we have no Corsican restaurants \u2014 closest options are \u2026') answers every phrasing." }, { "name": "No Australian / Australasian restaurant", "fix": "ENTRY", "raw_clusters": [ "R0043" ], "rationale": "The cuisine does not exist in the database at all; one entry ('we have no Australian / Australasian restaurants \u2014 closest options are \u2026') answers every phrasing." }, { "name": "No Moroccan / Middle Eastern restaurant", "fix": "ENTRY", "raw_clusters": [ "R0047" ], "rationale": "The cuisine does not exist in the database at all; one entry ('we have no Moroccan / Middle Eastern restaurants \u2014 closest options are \u2026') answers every phrasing." }, { "name": "No Pan-Asian restaurant", "fix": "ENTRY", "raw_clusters": [ "R0048" ], "rationale": "The cuisine does not exist in the database at all; one entry ('we have no Pan-Asian restaurants \u2014 closest options are \u2026') answers every phrasing." }, { "name": "No Vegetarian / vegan restaurant", "fix": "ENTRY", "raw_clusters": [ "R0049" ], "rationale": "The cuisine does not exist in the database at all; one entry ('we have no Vegetarian / vegan restaurants \u2014 closest options are \u2026') answers every phrasing." }, { "name": "No Irish restaurant", "fix": "ENTRY", "raw_clusters": [ "R0052" ], "rationale": "The cuisine does not exist in the database at all; one entry ('we have no Irish restaurants \u2014 closest options are \u2026') answers every phrasing." }, { "name": "No Christmas food restaurant", "fix": "ENTRY", "raw_clusters": [ "R0054" ], "rationale": "The cuisine does not exist in the database at all; one entry ('we have no Christmas food restaurants \u2014 closest options are \u2026') answers every phrasing." }, { "name": "No Russian restaurant", "fix": "ENTRY", "raw_clusters": [ "R0055" ], "rationale": "The cuisine does not exist in the database at all; one entry ('we have no Russian restaurants \u2014 closest options are \u2026') answers every phrasing." }, { "name": "No Persian restaurant", "fix": "ENTRY", "raw_clusters": [ "R0056" ], "rationale": "The cuisine does not exist in the database at all; one entry ('we have no Persian restaurants \u2014 closest options are \u2026') answers every phrasing." }, { "name": "No Afghan restaurant", "fix": "ENTRY", "raw_clusters": [ "R0063" ], "rationale": "The cuisine does not exist in the database at all; one entry ('we have no Afghan restaurants \u2014 closest options are \u2026') answers every phrasing." }, { "name": "No Greek restaurant", "fix": "ENTRY", "raw_clusters": [ "R0065" ], "rationale": "The cuisine does not exist in the database at all; one entry ('we have no Greek restaurants \u2014 closest options are \u2026') answers every phrasing." }, { "name": "No Venetian restaurant", "fix": "ENTRY", "raw_clusters": [ "R0068" ], "rationale": "The cuisine does not exist in the database at all; one entry ('we have no Venetian restaurants \u2014 closest options are \u2026') answers every phrasing." }, { "name": "No Polynesian restaurant", "fix": "ENTRY", "raw_clusters": [ "R0069" ], "rationale": "The cuisine does not exist in the database at all; one entry ('we have no Polynesian restaurants \u2014 closest options are \u2026') answers every phrasing." }, { "name": "No Tuscan restaurant", "fix": "ENTRY", "raw_clusters": [ "R0070" ], "rationale": "The cuisine does not exist in the database at all; one entry ('we have no Tuscan restaurants \u2014 closest options are \u2026') answers every phrasing." }, { "name": "No Kosher restaurant", "fix": "ENTRY", "raw_clusters": [ "R0072" ], "rationale": "The cuisine does not exist in the database at all; one entry ('we have no Kosher restaurants \u2014 closest options are \u2026') answers every phrasing." }, { "name": "No Catalan restaurant", "fix": "ENTRY", "raw_clusters": [ "R0075" ], "rationale": "The cuisine does not exist in the database at all; one entry ('we have no Catalan restaurants \u2014 closest options are \u2026') answers every phrasing." }, { "name": "No Polish restaurant", "fix": "ENTRY", "raw_clusters": [ "R0076" ], "rationale": "The cuisine does not exist in the database at all; one entry ('we have no Polish restaurants \u2014 closest options are \u2026') answers every phrasing." }, { "name": "No Fusion restaurant", "fix": "ENTRY", "raw_clusters": [ "R0079" ], "rationale": "The cuisine does not exist in the database at all; one entry ('we have no Fusion restaurants \u2014 closest options are \u2026') answers every phrasing." }, { "name": "No Bistro restaurant", "fix": "ENTRY", "raw_clusters": [ "R0082" ], "rationale": "The cuisine does not exist in the database at all; one entry ('we have no Bistro restaurants \u2014 closest options are \u2026') answers every phrasing." }, { "name": "No Eritrean restaurant", "fix": "ENTRY", "raw_clusters": [ "R0084" ], "rationale": "The cuisine does not exist in the database at all; one entry ('we have no Eritrean restaurants \u2014 closest options are \u2026') answers every phrasing." }, { "name": "No Molecular gastronomy restaurant", "fix": "ENTRY", "raw_clusters": [ "R0085" ], "rationale": "The cuisine does not exist in the database at all; one entry ('we have no Molecular gastronomy restaurants \u2014 closest options are \u2026') answers every phrasing." }, { "name": "No Welsh restaurant", "fix": "ENTRY", "raw_clusters": [ "R0086" ], "rationale": "The cuisine does not exist in the database at all; one entry ('we have no Welsh restaurants \u2014 closest options are \u2026') answers every phrasing." }, { "name": "No Crossover restaurant", "fix": "ENTRY", "raw_clusters": [ "R0088" ], "rationale": "The cuisine does not exist in the database at all; one entry ('we have no Crossover restaurants \u2014 closest options are \u2026') answers every phrasing." }, { "name": "No Halal restaurant", "fix": "ENTRY", "raw_clusters": [ "R0089" ], "rationale": "The cuisine does not exist in the database at all; one entry ('we have no Halal restaurants \u2014 closest options are \u2026') answers every phrasing." }, { "name": "No Barbecue restaurant", "fix": "ENTRY", "raw_clusters": [ "R0090" ], "rationale": "The cuisine does not exist in the database at all; one entry ('we have no Barbecue restaurants \u2014 closest options are \u2026') answers every phrasing." }, { "name": "No Sri Lankan restaurant", "fix": "ENTRY", "raw_clusters": [ "R0093" ], "rationale": "The cuisine does not exist in the database at all; one entry ('we have no Sri Lankan restaurants \u2014 closest options are \u2026') answers every phrasing." }, { "name": "No Cantonese restaurant", "fix": "ENTRY", "raw_clusters": [ "R0109" ], "rationale": "The cuisine does not exist in the database at all; one entry ('we have no Cantonese restaurants \u2014 closest options are \u2026') answers every phrasing." }, { "name": "No Romanian restaurant", "fix": "ENTRY", "raw_clusters": [ "R0115" ], "rationale": "The cuisine does not exist in the database at all; one entry ('we have no Romanian restaurants \u2014 closest options are \u2026') answers every phrasing." }, { "name": "No Light bites restaurant", "fix": "ENTRY", "raw_clusters": [ "R0118" ], "rationale": "The cuisine does not exist in the database at all; one entry ('we have no Light bites restaurants \u2014 closest options are \u2026') answers every phrasing." }, { "name": "No Canap\u00e9s restaurant", "fix": "ENTRY", "raw_clusters": [ "R0120" ], "rationale": "The cuisine does not exist in the database at all; one entry ('we have no Canap\u00e9s restaurants \u2014 closest options are \u2026') answers every phrasing." }, { "name": "No New Zealand restaurant", "fix": "ENTRY", "raw_clusters": [ "R0124" ], "rationale": "The cuisine does not exist in the database at all; one entry ('we have no New Zealand restaurants \u2014 closest options are \u2026') answers every phrasing." }, { "name": "No Afternoon tea restaurant", "fix": "ENTRY", "raw_clusters": [ "R0129" ], "rationale": "The cuisine does not exist in the database at all; one entry ('we have no Afternoon tea restaurants \u2014 closest options are \u2026') answers every phrasing." }, { "name": "No Modern eclectic restaurant", "fix": "ENTRY", "raw_clusters": [ "R0133" ], "rationale": "The cuisine does not exist in the database at all; one entry ('we have no Modern eclectic restaurants \u2014 closest options are \u2026') answers every phrasing." }, { "name": "African restaurant in the wrong area / price", "fix": "ENTRY", "raw_clusters": [ "R0026" ], "rationale": "The database has 1 African restaurant(s); misses were for price/area combinations. One entry listing them ('our only African place is \u2026') answers every phrasing." }, { "name": "Lebanese restaurant in the wrong area / price", "fix": "ENTRY", "raw_clusters": [ "R0092" ], "rationale": "The database has 1 Lebanese restaurant(s); misses were for price/area combinations. One entry listing them ('our only Lebanese place is \u2026') answers every phrasing." }, { "name": "Vietnamese restaurant in the wrong area / price", "fix": "ENTRY", "raw_clusters": [ "R0081" ], "rationale": "The database has 1 Vietnamese restaurant(s); misses were for price/area combinations. One entry listing them ('our only Vietnamese place is \u2026') answers every phrasing." }, { "name": "Japanese restaurant in the wrong area / price", "fix": "ENTRY", "raw_clusters": [ "R0099" ], "rationale": "The database has 1 Japanese restaurant(s); misses were for price/area combinations. One entry listing them ('our only Japanese place is \u2026') answers every phrasing." }, { "name": "Korean restaurant in the wrong area / price", "fix": "ENTRY", "raw_clusters": [ "R0113" ], "rationale": "The database has 1 Korean restaurant(s); misses were for price/area combinations. One entry listing them ('our only Korean place is \u2026') answers every phrasing." }, { "name": "Seafood restaurant in the wrong area / price", "fix": "ENTRY", "raw_clusters": [ "R0143" ], "rationale": "The database has 1 Seafood restaurant(s); misses were for price/area combinations. One entry listing them ('our only Seafood place is \u2026') answers every phrasing." }, { "name": "Thai restaurant in the wrong area / price", "fix": "ENTRY", "raw_clusters": [ "R0107" ], "rationale": "The database has 2 Thai restaurant(s); misses were for price/area combinations. One entry listing them ('our only Thai place is \u2026') answers every phrasing." }, { "name": "Turkish restaurant in the wrong area / price", "fix": "ENTRY", "raw_clusters": [ "R0097" ], "rationale": "The database has 3 Turkish restaurant(s); misses were for price/area combinations. One entry listing them ('our only Turkish place is \u2026') answers every phrasing." }, { "name": "Multiple-sports venue outside the east", "fix": "ENTRY", "raw_clusters": [ "R0007", "R0127" ], "rationale": "One entry ('the only multiple-sports venue is in the east') answers every phrasing." }, { "name": "Entertainment venue in the centre", "fix": "ENTRY", "raw_clusters": [ "R0008", "R0104", "R0110" ], "rationale": "One entry ('entertainment venues exist only in the east, south and west') answers every phrasing." }, { "name": "Theatre / cinema in an area with none", "fix": "ENTRY", "raw_clusters": [ "R0025" ], "rationale": "One entry ('theatres and cinemas are only in the centre and south') answers every phrasing." }, { "name": "Swimming pool in an area with none", "fix": "ENTRY", "raw_clusters": [ "R0028" ], "rationale": "One entry ('pools are only in the centre, east and north') answers every phrasing." }, { "name": "College outside the centre / west", "fix": "ENTRY", "raw_clusters": [ "R0035", "R0147", "R0163" ], "rationale": "One entry ('colleges are only in the centre and west') answers every phrasing." }, { "name": "Concert hall outside the centre", "fix": "ENTRY", "raw_clusters": [ "R0036" ], "rationale": "One entry ('the only concert hall is in the centre') answers every phrasing." }, { "name": "Architecture outside the centre", "fix": "ENTRY", "raw_clusters": [ "R0038" ], "rationale": "One entry ('architecture attractions are only in the centre') answers every phrasing." }, { "name": "Nightclub outside the centre / south", "fix": "ENTRY", "raw_clusters": [ "R0041" ], "rationale": "One entry ('nightclubs are only in the centre and south') answers every phrasing." }, { "name": "Boating in an area with none", "fix": "ENTRY", "raw_clusters": [ "R0108" ], "rationale": "One entry ('boats are only in the centre, east and north') answers every phrasing." }, { "name": "Park in the west", "fix": "ENTRY", "raw_clusters": [ "R0111" ], "rationale": "One entry ('there are no parks in the west') answers every phrasing." }, { "name": "Entrance fee / admission price not in the data", "fix": "ENTRY", "raw_clusters": [ "R0012", "R0174" ], "rationale": "The database has no fee for these attractions; one entry per attraction-fee policy ('fees are not listed \u2014 call the venue on \u2026') answers every phrasing. Mostly lexical (C) moments." }, { "name": "Booking slot unavailable (room or table)", "fix": "TOOL", "raw_clusters": [ "R0000", "R0001", "R0005", "R0009", "R0011", "R0034", "R0046", "R0064", "R0074", "R0083", "R0087", "R0096", "R0101", "R0103", "R0112", "R0122", "R0125", "R0126", "R0131", "R0132", "R0135", "R0136", "R0137", "R0140", "R0146", "R0154", "R0157", "R0160", "R0161", "R0166", "R0167", "R0170", "R0171", "R0172", "R0177" ], "rationale": "No entry can say whether a date/time/party size is free; it needs a live availability check that offers alternatives. Loosest merge in the table: hotel and restaurant bookings share one fix (an availability tool) but different back-ends." }, { "name": "Hotel search: no match for the requested combination", "fix": "TOOL", "raw_clusters": [ "R0002", "R0003", "R0004", "R0006", "R0029", "R0061", "R0071", "R0095", "R0130", "R0169" ], "rationale": "33 hotels; misses are star / price / area / parking / wifi combinations. The answer depends on the combination, so it needs a live filtered search, not an entry." }, { "name": "Restaurant search: common cuisine, no match for price / area", "fix": "TOOL", "raw_clusters": [ "R0023", "R0066", "R0151", "R0100", "R0139" ], "rationale": "Indian (22 venues), Chinese (17), Italian (15), gastropub (4): too many to list in one entry; a miss on price/area needs a live filtered search." }, { "name": "Train: no service at the requested time / route", "fix": "TOOL", "raw_clusters": [ "R0057", "R0062", "R0073", "R0094", "R0116", "R0134", "R0141", "R0165", "R0176" ], "rationale": "Timetable lookups; an entry cannot answer 'is there a train after 09:30 from Kings Lynn on Sunday'." }, { "name": "Buy / reserve attraction tickets", "fix": "TOOL", "raw_clusters": [ "R0173" ], "rationale": "The system has no ticketing action for attractions; needs a booking tool, not an entry." } ], "excluded_reviewed_clusters": { "mixed \u2014 the locked rule cannot unify the members (different facts would answer them)": [ "R0010", "R0019", "R0020", "R0021", "R0032", "R0033", "R0044", "R0077", "R0098", "R0149", "R0168", "R0013", "R0022", "R0144" ], "context-dependent fragment \u2014 the request only makes sense with earlier turns (an area, a price, a day, a party size)": [ "R0027", "R0030", "R0031", "R0040", "R0045", "R0053", "R0058", "R0067", "R0078", "R0091", "R0105", "R0114", "R0117", "R0138", "R0142", "R0145", "R0150", "R0155", "R0156", "R0159", "R0164", "R0178", "R0179", "R0148", "R0158", "R0152", "R0153", "R0102", "R0128" ], "not a gap \u2014 in-schema request the annotators left untagged (step-0 D noise: reference numbers, addresses, star rating, cost, travel time, 'help me find a place')": [ "R0015", "R0037", "R0042", "R0050", "R0051", "R0059", "R0060", "R0080", "R0106", "R0119", "R0121", "R0123", "R0162", "R0175" ] } }