I-Scover

select    count(*)where {    ?articleIRI    a iscover:Article.}

select    ?object    count(?object) as ?totalwhere {    ?subject    a ?object.}group by ?objectorder by desc(?total)

select    ?predicatewhere {    ?subject    ?predicate ?object.}group by ?predicateorder by asc(?predicate)

select    ?articleIRI    ?titlewhere {    ?articleIRI    dcterms:title ?title;    dcterms:abstract ?abstract;    dcterms:issued ?date;    a iscover:Article.        filter(lang(?title) = "ja")    filter(regex(?abstract, "センサネットワーク") = true      && regex(?abstract, "消費電力") = true    )}order by desc(?date)limit 20

select    ?date    ?descriptionwhere {    values(?term) {        ("センサネットワーク")    }    ?articleIRI    dcterms:abstract ?abstract;    dcterms:issued ?date;    a iscover:Article.    filter(regex(?abstract, concat(?term, "は.+る．")) = true)    bind(replace(?abstract, strBefore(?abstract, concat(?term, "は")), "") as ?tmp)    bind(replace(?tmp, strAfter(?tmp, "．"), "") as ?description)    bind("本(稿|論文|報告|研究|システム|アルゴリズム)|我々|機構|説明|提案|検討" as ?reject)    filter(regex(?description, ?reject) = false)}order by desc(?date)

select    ?keyword    ?increasedRatewhere {    {        select            ?p1TermIRI            count(?p1TermIRI) as ?p1Total        where {            ?articleIRI            dcterms:subject ?p1TermIRI;            dcterms:issued ?date;            a iscover:Article.            bind(year(?date) as ?year)            filter(?year = 2012)        }    }    {        select            ?p2TermIRI            count(?p2TermIRI) as ?p2Total        where {            ?articleIRI            dcterms:subject ?p2TermIRI;            dcterms:issued ?date;            a iscover:Article.            bind(year(?date) as ?year)            filter(?year = 2016)        }    }    filter(?p1TermIRI = ?p2TermIRI)    filter(?p1Total >= 3 && ?p2Total >= 3)    bind((xsd:float(?p2Total) / ?p1Total) as ?increasedRate)    ?p1TermIRI    rdfs:label ?keyword;    a iscover:Term.    filter(lang(?keyword) = "ja")    filter(?increasedRate >= 5.0)}order by desc(?increasedRate)

select    ?keyword    ?year    count(?articleIRI) as ?totalwhere {    {        select            ?termIRI            ?keyword        where {            values( ?keyword ) {                ("IoT"@ja) ("ディープラーニング"@ja)            }            ?termIRI            rdfs:label ?keyword;            a iscover:Term.        }    }    ?articleIRI    dcterms:subject ?termIRI;    dcterms:issued ?date;    a iscover:Article.    bind(year(?date) as ?year)}order by asc(?keyword) asc(?year)

select    ?term    ?totalwhere {    {        select            ?termIRI            count(?termIRI) as ?total        where {            ?articleIRI            dcterms:subject ?termIRI;            dcterms:issued ?date;            a iscover:Article.                        bind(year(?date) as ?year)            filter(?year = 2014)        }        group by ?termIRI        order by desc(?total)        limit 100    }            optional {        ?termIRI        rdfs:label ?term;        a iscover:Term.        filter(lang(?term) = "ja")    }    optional {        ?termIRI        rdfs:label ?term;        a iscover:Term.                filter(lang(?term) = "en")    }}order by desc(?total)

select    ?term    if(?total > 5, ?transTerm, "(Insufficient data)") as ?transTermwhere {    {        select            ?term            ?lang            ?coTermIRI            count(?coTermIRI) as ?total        where {            values(?term) { ("自然言語処理"@ja) }                        ?termIRI            rdfs:label ?term;            a iscover:Term.                        bind(lang(?term) as ?lang)            ?articleIRI            dcterms:subject ?termIRI;            a iscover:Article.            ?articleIRI            dcterms:subject ?coTermIRI;            a iscover:Article.        }        order by desc(?total)        limit 5    }            ?coTermIRI    rdfs:label ?transTerm;    a iscover:Term.            bind(if(?lang = "ja", "en", "ja") as ?target)    filter(lang(?transTerm) = ?target)}order by desc(?total)limit 1

select    ?coTerm    min(?year) as ?startYear    max(?year) as ?endYearwhere {    {        select            ?coTermIRI            count(?coTermIRI) as ?total        where {            values(?term) { ("データマイニング"@ja) }                                    ?termIRI            rdfs:label ?term;            a iscover:Term.                                    ?articleIRI            dcterms:subject ?termIRI;            a iscover:Article.                                    ?articleIRI            dcterms:subject ?coTermIRI;            dcterms:issued ?date;            a iscover:Article.        }        order by desc(?total)        limit 20    }            ?coTermIRI    rdfs:label ?coTerm;    a iscover:Term.        filter(lang(?coTerm) = "ja")            ?articleIRI    dcterms:subject ?coTermIRI;    dcterms:issued ?date;    a iscover:Article.        bind(year(?date) as ?year)}order by asc(?startYear)

select    ?source    ?target    ?weightwhere {    {        select            ?source            ?targetIRI            count(?targetIRI) as ?weight        where {            values ?source {                "ニューラルネットワーク"@ja                "機械学習"@ja                "画像処理"@ja            }                                    ?termIRI            rdfs:label ?source;            a iscover:Term.                                    ?articleIRI            dcterms:subject ?termIRI;            a iscover:Article.                                    ?articleIRI            dcterms:subject ?targetIRI;            a iscover:Article.        }    }        filter(?weight >= 5)            ?targetIRI    rdfs:label ?target;    a iscover:Term.    filter(lang(?target) = "ja")    filter(?source != ?target)}order by asc(?source) desc(?weight)

select    ?source    ?target    ?weightwhere {    {        select            ?source            ?abbraviation            ?targetIRI            count(?organizationIRI) as ?weight        where {            values (?candidate ?abbraviation) {                ("日本電信電話"@ja "NTT"@ja)                ("日本電気"@ja "NEC"@ja)                ("沖電気工業"@ja "OKI"@ja)            }                                    ?organizationIRI            rdfs:label ?source;            a iscover:Organization.                        filter(lang(?source) = "ja")            filter(regex(?source, ?candidate) = true                || regex(?source, ?abbraviation) = true)                                    ?articleIRI            iscover:authorInfos/rdf:rest*/rdf:first/iscover:authorInfo [                iscover:affiliation ?organizationIRI;            ];            dcterms:issued ?date;            a iscover:Article.                        filter(2010 <= year(?date))                                    ?articleIRI            iscover:authorInfos/rdf:rest*/rdf:first/iscover:authorInfo [                iscover:affiliation ?targetIRI;            ];            a iscover:Article.        }        order by desc(?weight)    }        filter(?weight >= 10)            ?targetIRI    rdfs:label ?target;    a iscover:Organization.        filter(lang(?target) = "ja")    filter(?source != ?target && ?abbraviation != ?target)}order by asc(?source) desc(?weight)

select    ?term    ?startYear    ?endYear    ?duration    ?totalwhere {    {        select            ?termIRI            min(?year) as ?startYear            max(?year) as ?endYear            count(?termIRI) as ?total        where {            ?organizationIRI            rdfs:label "沖電気工業　株式会社"@ja;            a iscover:Organization.                        ?articleIRI            iscover:authorInfos/rdf:rest*/rdf:first/iscover:authorInfo [                iscover:affiliation ?organizationIRI;            ];            dcterms:subject ?termIRI;            dcterms:issued ?date;            a iscover:Article.            bind(year(?date) as ?year)        }    }    bind((?endYear - ?startYear + 1) as ?duration)    ?termIRI    rdfs:label ?term;    a iscover:Term.    filter(lang(?term) = "ja")}order by desc(?total) desc(?duration)