Wikidata:ScienceSource project/Maintenance queries

Main subjects

Type of main subject	Query where subject has Mesh descriptor	General query
scholarly article (Q13442814)	[1]	[2] [3] Variant for short title of subject
language (Q34770)	[4]	[5]

#Main subjects given as books
SELECT ?item
  WHERE {?item wdt:P921 ?subject.
         ?subject wdt:P486 [ ];
               wdt:P31 wd:Q571}

Try it!

#Reviews with license lacking main subject
SELECT DISTINCT ?paper ?paperLabel ?date
WHERE {
      ?paper wdt:P31 wd:Q7318358;
             wdt:P698 [ ];
             wdt:P275 [ ];
             wdt:P577 ?date.
        MINUS {?paper wdt:P921 [ ]}
  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
      }
ORDER BY DESC(?date)

Try it!

Main subject checks also for property (Q937228) mood (Q331769) organisms known by a particular common name (Q55983715) positive emotion (Q60539479) continent (Q5107) biological process (Q2996394) state (Q3505845) sovereign state (Q3624078) country (Q6256) federation (Q43702) constitutional republic (Q1520223) Democratic Republic (Q5255892) island country (Q112099) subcontinent (Q855697) constituent country of the United Kingdom (Q3336843) constitutional monarchy (Q41614) state (Q7275) colonial power (Q20181813) transcontinental country (Q1323642) Mediterranean country (Q51576574) online encyclopedia (Q615699) open content (Q1293664) Wikimedia projects (Q14827288)MediaWiki wiki (Q15633582) country of the Kingdom of the Netherlands (Q15304003) geographic region (Q82794) population group (Q851990) part of the world (Q2418896) city (Q515) city in the United States (Q1093829) consolidated city-county (Q3301053) sanctuary city (Q3559093) scripting language (Q187432) object-based language (Q899523) interpreted language (Q1993334) multi-paradigm programming language (Q12772052) imperative programming language (Q21562092) procedural programming language (Q28922885) software (Q7397) programming language (Q9143) global city (Q208511) federal district (Q475050) port settlement (Q2264924) capital city (Q5119) computer network (Q1301371) IP network (Q11224256) secular state (Q859563) metropolis (Q200250) episcopal see (Q866196) mobile operating system (Q920890) financial centre (Q1066984) big city (Q1549591) million city (Q1637706) commune of France with specific status (Q22927616) department of France (Q6465) administrative territorial entity (Q56061) ocean (Q9430) U.S. state (Q35657) superior planet (Q844911) inner planet of the Solar System (Q3504248) landlocked country (Q123480) agglutinative language (Q171263) Commonwealth realm (Q202686) a posteriori language (Q470775) international auxiliary language (Q838296) planned language (Q1790577) taxon (Q16521) constructed language (Q33215) Rechtsstaat (Q4209223) socialist state (Q842112) modern language (Q1288568) alkanol (Q11685431) Class IB flammable liquid (Q21009055) chemical compound (Q11173) medication (Q12140) alcohols (Q156) natural language (Q33742) language (Q34770) polar protic solvent (Q27949287) day of the week (Q41825) single-tier municipality (Q14762300) provincial or territorial capital city in Canada (Q21507383) infrastructure (Q121359) historic county of England (Q1138494) cultural region (Q3502482) structural class of chemical entities (Q47154513) federative unit of Brazil (Q485258) administrative territorial entity of Canada (Q3750285) province of Canada (Q11828004) republic (Q7270) unitary state (Q179164) gas giant (Q121750) outer planet (Q30014) electoral unit (Q192611) island (Q23442) constituent state (Q1763527) reflective programming (Q1056451) JVM language (Q56062429) presidential system (Q49892) archipelagic state (Q13107770) JVM language (Q56062429) model series (Q811701) human (Q5) Category 3 hurricane (Q63100595) solvent (Q146505) genre (Q483394) triatomic molecule (Q2788607) household chemicals (Q3564138) liquid (Q11435) oxide (Q50690) branch of science (Q2465832) city-state (Q133442) advanced emotion (Q16748888) type of language (Q20829075) languoid class (Q28923954) occurrence (Q1190554) ice giant (Q1319599) shape of the universe (Q1647152) unmoved mover (Q2326055) Wikipedia language edition (Q10876391) big bang (Q64831112) theory (Q17737) social networking service (Q3220391) data collection system (Q28454366) activity (Q1914636) academic discipline (Q11862829) city or town (Q27676416) dwarf planet (Q2199) world war (Q103495) historical event (Q13418847) academic major (Q4671286) type of quantum particle (Q22675015) universal language (Q41511) dominion of the British Empire (Q223832) service on Internet (Q1668024) forge (Q3077240) repository (Q3133368) business (Q4830453) website (Q35127) megacity (Q174844) tourist destination (Q1200957) metropolitan municipality in Turkey (Q2716259) former capital (Q27554677) largest city (Q51929311) natural satellite (Q2537) nuclear disaster (Q15725976) software category (Q28530532) information system (Q121182) knowledge base (Q593744) supranational union (Q1335818) economic union (Q3623811) regional organization (Q4120211) online database (Q7094076) branch of biology (Q28598684) knowledge graph (Q33002955) database derived from Wikimedia projects (Q63144794) encyclopedia (Q5292) nuclear explosion (Q2656967) aerial bombing of a city (Q4688003) mountain (Q8502) planetary system (Q206717) biogeographic realm (Q944816) plutoid (Q131731) cubewano (Q645924) distant minor planet (Q5282923) astronomical object type (Q17444909) asteroid (Q3863) chemical element (Q11344) marginal sea (Q204894) mediterranean sea (Q986177) combustible powder (Q21073023) occupational carcinogen (Q21074597) simple substance (Q2512777) federal city of Russia (Q183342) pro-drop language (Q661936) specialty (Q1047113) city or town (Q7930989) type of arts (Q56055944) Q50330360 material (Q214609) gas (Q11432) essential medicine (Q35456) cadastral populated place in the Netherlands (Q1852859) place with town rights and privileges (Q13539802) flammable solid (Q21073024) type of sport (Q31629) board game (Q131436) mind game (Q1054898) two-player game (Q7858742) territorial evolution of the British Empire (Q918240) geographic location (Q2221906) Islamic Republic (Q672729) personality trait (Q2393196) virtue (Q157811) supercontinent (Q55833) member states of ASEAN (Q1951661) Imamiyya (Q1814867) sultanate (Q12759805) colony (Q133156) media franchise (Q196600)

relational database management system (Q3932296) colony (Q133156) mass media (Q11033) online video platform (Q559856) subsidiary (Q658255) broadcaster (Q15265344) media franchise (Q196600) state with limited recognition (Q15634554) mode of transport (Q334166) communist state (Q849866) metallic material (Q1924900) metal (Q11426) crowdsourcing (Q275969) geographic information system (Q483130) volunteered geographic information (Q933625) free software (Q341) digital map (Q4505959) collaborative mapping (Q5145844) geographic information (Q5915793) online community (Q6576792) national central city (Q1066538) direct-administered municipality (Q1208802) literary genre (Q223393) federated state of Germany (Q1221156) demographic profile (Q5932254) enclave (Q171441) parliamentary republic (Q4198907) lectotype (Q2439719) member states of the United Nations (Q160016) organ system (Q188193) part of speech (Q82042) physical property (Q4373292) television series (Q5398426) Star Trek series (Q62573441) insular area of the United States (Q462778) unincorporated territory of the United States (Q783733) political territorial entity (Q1048835) territory of the United States (Q1352230) social news website (Q3963243) province of Spanish America (Q7252696) state of India (Q13390680) town (Q3957) region of Italy (Q16110) designated intractable/rare disease (Q42303753) disease (Q12136) municipality of Belgium (Q493522) ivory (Q82001) botanical term (Q27494256) music genre (Q188451) musical form (Q862597) theatrical genre (Q15850590) proprietary software (Q218616) operating system (Q9135) British overseas territories (Q46395) autonomous city (Q1094397) primate city (Q1422929) first-level administrative division (Q10864048) river (Q4022) independent city of Germany (Q22865) major regional center (Q253030) Hanseatic city (Q707813) Lutherstadt (Q1547289) state capital in Germany (Q14784328) urban municipality in Germany (Q42744322) wine color (Q8024923) stimulant (Q211036) product (Q2424752) town in Croatia (Q15105893) ancient city (Q15661340) federal capital (Q257391) federal state of Austria (Q261543) statutory city of Austria (Q262882) municipality of Austria (Q667509) district of Austria (Q871419) municipality of Vietnam (Q1381899) federal territory of Malaysia (Q1008803) college town (Q1187811) human settlement (Q486972) municipality of Finland (Q856076) administrative city in the Republic of Ireland (Q13455645) special municipality (Q2225003) semantic wiki (Q638153) Wikimedia content project (Q33120876) wiki with script conversion (Q36509592) year (Q577) flammable gas (Q10913792) calendar year (Q3186692) synthetic element (Q755992) prototype-based programming (Q180868) functional programming (Q193076) common year (Q235729) computing platform (Q241317) imperative programming (Q275596) generic programming (Q1051282) event-driven programming (Q1135914) functional programming language (Q3839507) prototype-based programming language (Q28920810) event-driven programming language (Q28920813) leap year (Q19828) aspect-oriented programming (Q30267)