{"adoption": {"forks": 704, "observed_at": "2026-08-28T04:04:39.988943+00:00", "stars": 1417}, "canonical_url": "https://ross.abutalabs.com/products/jena", "card": {"archived": false, "artifact_type": "framework", "description": "Apache Jena, A free and open source Java framework for building Semantic Web and Linked Data applications.", "domain": ["databases", "web-development", "developer-tools", "apis"], "enriched": true, "function": ["database", "search-engine", "serialization", "http-server", "cli", "parser", "api-framework"], "health_score": 80, "homepage": "https://jena.apache.org/", "language": "Java", "license": "Apache-2.0", "license_family": "permissive", "maturity": "stable", "member_repos": ["apache/jena"], "name": "apache/jena", "platform": ["jvm", "cross-platform", "cli"], "pushed_at": "2026-08-26T18:57:55+00:00", "repo": "apache/jena", "stars": 1417, "tags": ["rdf", "sparql", "semantic-web", "linked-data", "triple-store", "owl", "fuseki", "tdb", "knowledge-graph", "apache", "search", "web-server", "docker"], "topics": ["jena", "apache", "rdf", "sparql"], "urls": [], "use_cases": ["query RDF data with SPARQL", "store and persist RDF triples in a native triple store", "expose RDF data as a SPARQL endpoint over HTTP", "parse and serialize RDF in Turtle, JSON-LD, RDF/XML and other formats", "run OWL and RDFS reasoning over RDF graphs", "build linked data and semantic web applications in Java", "validate RDF data with SHACL", "run federated SPARQL queries across remote endpoints"], "what_it_is": "Apache Jena is a free and open-source Java framework for building Semantic Web and Linked Data applications. It provides an RDF API, a SPARQL 1.1 query engine (ARQ), a persistent triple store (TDB), a SPARQL server (Fuseki), and OWL/RDFS inference and ontology support.", "when_to_avoid": ["your data is relational and does not fit the RDF graph model", "you need a lightweight embedded graph database without RDF/SPARQL semantics", "your stack is not JVM-based and you only need simple JSON or SQL storage"], "when_to_choose": ["you need a mature, standards-compliant RDF/SPARQL toolkit on the JVM", "you want a self-contained SPARQL server with transactional persistent storage", "you need OWL/RDFS inference or SHACL validation for RDF data", "you work with linked data formats like Turtle, JSON-LD, or RDF/XML"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/jena", "repo": "apache/jena", "role": "main", "score": 77}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:04:39.988943+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T04:38:00.304758+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "c0945ead2869c99ac6eea88519529560d5e8e01c4f718d356e231d144ab10034", "fetched_at": "2026-08-28T04:04:39.988943+00:00", "kind": "readme", "missing": false, "url": "https://github.com/apache/jena"}, {"content_hash": "60843c4d2db0e571a5595571c78ae4e0ec28bfad28ad75118d44da7bdd1711eb", "fetched_at": "2026-08-29T11:50:41.466174+00:00", "kind": "homepage", "missing": false, "url": "https://jena.apache.org/"}, {"content_hash": "4736566dc58bda0e2f1e0b43eddb944c56e53628afd4f185c5328a983397e271", "fetched_at": "2026-08-29T11:50:41.480987+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/assembler/index.html"}, {"content_hash": "d43ac536e6c3c0de7fb8d43a1998acc1bd2ba62bd111741a83a1e7cbabe7f8da", "fetched_at": "2026-08-29T11:50:41.470132+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/fuseki2/index.html"}, {"content_hash": "7105c4b45e916e3e614a4e9129009f7aab11a217702e8d31c24342d6c7cc5aa7", "fetched_at": "2026-08-29T11:50:41.472217+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/notes/index.html"}, {"content_hash": "2d632a8ac244cf6fcc9d2ca930ffac450a93a80011d4d4cf7d85b043bafe0eab", "fetched_at": "2026-08-29T11:50:41.474134+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/query/manipulating_sparql_using_arq.html"}, {"content_hash": "4a2752dee4e5a76e1ada266625aa20d5ccc169f731ef9840a6cd03dc943afa37", "fetched_at": "2026-08-29T11:50:41.476139+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/index.html"}, {"content_hash": "0ec58093abd26b3838ee95bc46546413d6b157408522ebdc0c9d5d69f0b04fd0", "fetched_at": "2026-08-29T11:50:41.477799+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/query/index.html"}, {"content_hash": "6a572c17062859d088b9931f8741a2e66cec4538feb2aff6f928ab6d3bbc1850", "fetched_at": "2026-08-29T11:50:41.479340+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/io"}, {"content_hash": "ce5d6c5acc9bca87b13d1b13acd092f4ecbe8aca09bc52992fcccfbc56f320eb", "fetched_at": "2026-08-29T11:50:41.482866+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/tools/index.html"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:04:39.988943+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T04:38:00.304758+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "c0945ead2869c99ac6eea88519529560d5e8e01c4f718d356e231d144ab10034", "fetched_at": "2026-08-28T04:04:39.988943+00:00", "kind": "readme", "missing": false, "url": "https://github.com/apache/jena"}, {"content_hash": "60843c4d2db0e571a5595571c78ae4e0ec28bfad28ad75118d44da7bdd1711eb", "fetched_at": "2026-08-29T11:50:41.466174+00:00", "kind": "homepage", "missing": false, "url": "https://jena.apache.org/"}, {"content_hash": "4736566dc58bda0e2f1e0b43eddb944c56e53628afd4f185c5328a983397e271", "fetched_at": "2026-08-29T11:50:41.480987+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/assembler/index.html"}, {"content_hash": "d43ac536e6c3c0de7fb8d43a1998acc1bd2ba62bd111741a83a1e7cbabe7f8da", "fetched_at": "2026-08-29T11:50:41.470132+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/fuseki2/index.html"}, {"content_hash": "7105c4b45e916e3e614a4e9129009f7aab11a217702e8d31c24342d6c7cc5aa7", "fetched_at": "2026-08-29T11:50:41.472217+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/notes/index.html"}, {"content_hash": "2d632a8ac244cf6fcc9d2ca930ffac450a93a80011d4d4cf7d85b043bafe0eab", "fetched_at": "2026-08-29T11:50:41.474134+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/query/manipulating_sparql_using_arq.html"}, {"content_hash": "4a2752dee4e5a76e1ada266625aa20d5ccc169f731ef9840a6cd03dc943afa37", "fetched_at": "2026-08-29T11:50:41.476139+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/index.html"}, {"content_hash": "0ec58093abd26b3838ee95bc46546413d6b157408522ebdc0c9d5d69f0b04fd0", "fetched_at": "2026-08-29T11:50:41.477799+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/query/index.html"}, {"content_hash": "6a572c17062859d088b9931f8741a2e66cec4538feb2aff6f928ab6d3bbc1850", "fetched_at": "2026-08-29T11:50:41.479340+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/io"}, {"content_hash": "ce5d6c5acc9bca87b13d1b13acd092f4ecbe8aca09bc52992fcccfbc56f320eb", "fetched_at": "2026-08-29T11:50:41.482866+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/tools/index.html"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T04:38:00.304758+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "c0945ead2869c99ac6eea88519529560d5e8e01c4f718d356e231d144ab10034", "fetched_at": "2026-08-28T04:04:39.988943+00:00", "kind": "readme", "missing": false, "url": "https://github.com/apache/jena"}, {"content_hash": "60843c4d2db0e571a5595571c78ae4e0ec28bfad28ad75118d44da7bdd1711eb", "fetched_at": "2026-08-29T11:50:41.466174+00:00", "kind": "homepage", "missing": false, "url": "https://jena.apache.org/"}, {"content_hash": "4736566dc58bda0e2f1e0b43eddb944c56e53628afd4f185c5328a983397e271", "fetched_at": "2026-08-29T11:50:41.480987+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/assembler/index.html"}, {"content_hash": "d43ac536e6c3c0de7fb8d43a1998acc1bd2ba62bd111741a83a1e7cbabe7f8da", "fetched_at": "2026-08-29T11:50:41.470132+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/fuseki2/index.html"}, {"content_hash": "7105c4b45e916e3e614a4e9129009f7aab11a217702e8d31c24342d6c7cc5aa7", "fetched_at": "2026-08-29T11:50:41.472217+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/notes/index.html"}, {"content_hash": "2d632a8ac244cf6fcc9d2ca930ffac450a93a80011d4d4cf7d85b043bafe0eab", "fetched_at": "2026-08-29T11:50:41.474134+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/query/manipulating_sparql_using_arq.html"}, {"content_hash": "4a2752dee4e5a76e1ada266625aa20d5ccc169f731ef9840a6cd03dc943afa37", "fetched_at": "2026-08-29T11:50:41.476139+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/index.html"}, {"content_hash": "0ec58093abd26b3838ee95bc46546413d6b157408522ebdc0c9d5d69f0b04fd0", "fetched_at": "2026-08-29T11:50:41.477799+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/query/index.html"}, {"content_hash": "6a572c17062859d088b9931f8741a2e66cec4538feb2aff6f928ab6d3bbc1850", "fetched_at": "2026-08-29T11:50:41.479340+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/io"}, {"content_hash": "ce5d6c5acc9bca87b13d1b13acd092f4ecbe8aca09bc52992fcccfbc56f320eb", "fetched_at": "2026-08-29T11:50:41.482866+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/tools/index.html"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:04:39.988943+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:04:39.988943+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:04:39.988943+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T04:38:00.304758+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "c0945ead2869c99ac6eea88519529560d5e8e01c4f718d356e231d144ab10034", "fetched_at": "2026-08-28T04:04:39.988943+00:00", "kind": "readme", "missing": false, "url": "https://github.com/apache/jena"}, {"content_hash": "60843c4d2db0e571a5595571c78ae4e0ec28bfad28ad75118d44da7bdd1711eb", "fetched_at": "2026-08-29T11:50:41.466174+00:00", "kind": "homepage", "missing": false, "url": "https://jena.apache.org/"}, {"content_hash": "4736566dc58bda0e2f1e0b43eddb944c56e53628afd4f185c5328a983397e271", "fetched_at": "2026-08-29T11:50:41.480987+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/assembler/index.html"}, {"content_hash": "d43ac536e6c3c0de7fb8d43a1998acc1bd2ba62bd111741a83a1e7cbabe7f8da", "fetched_at": "2026-08-29T11:50:41.470132+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/fuseki2/index.html"}, {"content_hash": "7105c4b45e916e3e614a4e9129009f7aab11a217702e8d31c24342d6c7cc5aa7", "fetched_at": "2026-08-29T11:50:41.472217+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/notes/index.html"}, {"content_hash": "2d632a8ac244cf6fcc9d2ca930ffac450a93a80011d4d4cf7d85b043bafe0eab", "fetched_at": "2026-08-29T11:50:41.474134+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/query/manipulating_sparql_using_arq.html"}, {"content_hash": "4a2752dee4e5a76e1ada266625aa20d5ccc169f731ef9840a6cd03dc943afa37", "fetched_at": "2026-08-29T11:50:41.476139+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/index.html"}, {"content_hash": "0ec58093abd26b3838ee95bc46546413d6b157408522ebdc0c9d5d69f0b04fd0", "fetched_at": "2026-08-29T11:50:41.477799+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/query/index.html"}, {"content_hash": "6a572c17062859d088b9931f8741a2e66cec4538feb2aff6f928ab6d3bbc1850", "fetched_at": "2026-08-29T11:50:41.479340+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/io"}, {"content_hash": "ce5d6c5acc9bca87b13d1b13acd092f4ecbe8aca09bc52992fcccfbc56f320eb", "fetched_at": "2026-08-29T11:50:41.482866+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/tools/index.html"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:04:39.988943+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:04:39.988943+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T04:38:00.304758+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "c0945ead2869c99ac6eea88519529560d5e8e01c4f718d356e231d144ab10034", "fetched_at": "2026-08-28T04:04:39.988943+00:00", "kind": "readme", "missing": false, "url": "https://github.com/apache/jena"}, {"content_hash": "60843c4d2db0e571a5595571c78ae4e0ec28bfad28ad75118d44da7bdd1711eb", "fetched_at": "2026-08-29T11:50:41.466174+00:00", "kind": "homepage", "missing": false, "url": "https://jena.apache.org/"}, {"content_hash": "4736566dc58bda0e2f1e0b43eddb944c56e53628afd4f185c5328a983397e271", "fetched_at": "2026-08-29T11:50:41.480987+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/assembler/index.html"}, {"content_hash": "d43ac536e6c3c0de7fb8d43a1998acc1bd2ba62bd111741a83a1e7cbabe7f8da", "fetched_at": "2026-08-29T11:50:41.470132+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/fuseki2/index.html"}, {"content_hash": "7105c4b45e916e3e614a4e9129009f7aab11a217702e8d31c24342d6c7cc5aa7", "fetched_at": "2026-08-29T11:50:41.472217+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/notes/index.html"}, {"content_hash": "2d632a8ac244cf6fcc9d2ca930ffac450a93a80011d4d4cf7d85b043bafe0eab", "fetched_at": "2026-08-29T11:50:41.474134+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/query/manipulating_sparql_using_arq.html"}, {"content_hash": "4a2752dee4e5a76e1ada266625aa20d5ccc169f731ef9840a6cd03dc943afa37", "fetched_at": "2026-08-29T11:50:41.476139+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/index.html"}, {"content_hash": "0ec58093abd26b3838ee95bc46546413d6b157408522ebdc0c9d5d69f0b04fd0", "fetched_at": "2026-08-29T11:50:41.477799+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/query/index.html"}, {"content_hash": "6a572c17062859d088b9931f8741a2e66cec4538feb2aff6f928ab6d3bbc1850", "fetched_at": "2026-08-29T11:50:41.479340+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/io"}, {"content_hash": "ce5d6c5acc9bca87b13d1b13acd092f4ecbe8aca09bc52992fcccfbc56f320eb", "fetched_at": "2026-08-29T11:50:41.482866+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/tools/index.html"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:04:39.988943+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:04:39.988943+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:04:39.988943+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T04:38:00.304758+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "c0945ead2869c99ac6eea88519529560d5e8e01c4f718d356e231d144ab10034", "fetched_at": "2026-08-28T04:04:39.988943+00:00", "kind": "readme", "missing": false, "url": "https://github.com/apache/jena"}, {"content_hash": "60843c4d2db0e571a5595571c78ae4e0ec28bfad28ad75118d44da7bdd1711eb", "fetched_at": "2026-08-29T11:50:41.466174+00:00", "kind": "homepage", "missing": false, "url": "https://jena.apache.org/"}, {"content_hash": "4736566dc58bda0e2f1e0b43eddb944c56e53628afd4f185c5328a983397e271", "fetched_at": "2026-08-29T11:50:41.480987+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/assembler/index.html"}, {"content_hash": "d43ac536e6c3c0de7fb8d43a1998acc1bd2ba62bd111741a83a1e7cbabe7f8da", "fetched_at": "2026-08-29T11:50:41.470132+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/fuseki2/index.html"}, {"content_hash": "7105c4b45e916e3e614a4e9129009f7aab11a217702e8d31c24342d6c7cc5aa7", "fetched_at": "2026-08-29T11:50:41.472217+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/notes/index.html"}, {"content_hash": "2d632a8ac244cf6fcc9d2ca930ffac450a93a80011d4d4cf7d85b043bafe0eab", "fetched_at": "2026-08-29T11:50:41.474134+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/query/manipulating_sparql_using_arq.html"}, {"content_hash": "4a2752dee4e5a76e1ada266625aa20d5ccc169f731ef9840a6cd03dc943afa37", "fetched_at": "2026-08-29T11:50:41.476139+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/index.html"}, {"content_hash": "0ec58093abd26b3838ee95bc46546413d6b157408522ebdc0c9d5d69f0b04fd0", "fetched_at": "2026-08-29T11:50:41.477799+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/query/index.html"}, {"content_hash": "6a572c17062859d088b9931f8741a2e66cec4538feb2aff6f928ab6d3bbc1850", "fetched_at": "2026-08-29T11:50:41.479340+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/io"}, {"content_hash": "ce5d6c5acc9bca87b13d1b13acd092f4ecbe8aca09bc52992fcccfbc56f320eb", "fetched_at": "2026-08-29T11:50:41.482866+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/tools/index.html"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:04:39.988943+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:04:39.988943+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T04:38:00.304758+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "c0945ead2869c99ac6eea88519529560d5e8e01c4f718d356e231d144ab10034", "fetched_at": "2026-08-28T04:04:39.988943+00:00", "kind": "readme", "missing": false, "url": "https://github.com/apache/jena"}, {"content_hash": "60843c4d2db0e571a5595571c78ae4e0ec28bfad28ad75118d44da7bdd1711eb", "fetched_at": "2026-08-29T11:50:41.466174+00:00", "kind": "homepage", "missing": false, "url": "https://jena.apache.org/"}, {"content_hash": "4736566dc58bda0e2f1e0b43eddb944c56e53628afd4f185c5328a983397e271", "fetched_at": "2026-08-29T11:50:41.480987+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/assembler/index.html"}, {"content_hash": "d43ac536e6c3c0de7fb8d43a1998acc1bd2ba62bd111741a83a1e7cbabe7f8da", "fetched_at": "2026-08-29T11:50:41.470132+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/fuseki2/index.html"}, {"content_hash": "7105c4b45e916e3e614a4e9129009f7aab11a217702e8d31c24342d6c7cc5aa7", "fetched_at": "2026-08-29T11:50:41.472217+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/notes/index.html"}, {"content_hash": "2d632a8ac244cf6fcc9d2ca930ffac450a93a80011d4d4cf7d85b043bafe0eab", "fetched_at": "2026-08-29T11:50:41.474134+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/query/manipulating_sparql_using_arq.html"}, {"content_hash": "4a2752dee4e5a76e1ada266625aa20d5ccc169f731ef9840a6cd03dc943afa37", "fetched_at": "2026-08-29T11:50:41.476139+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/index.html"}, {"content_hash": "0ec58093abd26b3838ee95bc46546413d6b157408522ebdc0c9d5d69f0b04fd0", "fetched_at": "2026-08-29T11:50:41.477799+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/query/index.html"}, {"content_hash": "6a572c17062859d088b9931f8741a2e66cec4538feb2aff6f928ab6d3bbc1850", "fetched_at": "2026-08-29T11:50:41.479340+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/io"}, {"content_hash": "ce5d6c5acc9bca87b13d1b13acd092f4ecbe8aca09bc52992fcccfbc56f320eb", "fetched_at": "2026-08-29T11:50:41.482866+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/tools/index.html"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T04:38:00.304758+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "c0945ead2869c99ac6eea88519529560d5e8e01c4f718d356e231d144ab10034", "fetched_at": "2026-08-28T04:04:39.988943+00:00", "kind": "readme", "missing": false, "url": "https://github.com/apache/jena"}, {"content_hash": "60843c4d2db0e571a5595571c78ae4e0ec28bfad28ad75118d44da7bdd1711eb", "fetched_at": "2026-08-29T11:50:41.466174+00:00", "kind": "homepage", "missing": false, "url": "https://jena.apache.org/"}, {"content_hash": "4736566dc58bda0e2f1e0b43eddb944c56e53628afd4f185c5328a983397e271", "fetched_at": "2026-08-29T11:50:41.480987+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/assembler/index.html"}, {"content_hash": "d43ac536e6c3c0de7fb8d43a1998acc1bd2ba62bd111741a83a1e7cbabe7f8da", "fetched_at": "2026-08-29T11:50:41.470132+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/fuseki2/index.html"}, {"content_hash": "7105c4b45e916e3e614a4e9129009f7aab11a217702e8d31c24342d6c7cc5aa7", "fetched_at": "2026-08-29T11:50:41.472217+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/notes/index.html"}, {"content_hash": "2d632a8ac244cf6fcc9d2ca930ffac450a93a80011d4d4cf7d85b043bafe0eab", "fetched_at": "2026-08-29T11:50:41.474134+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/query/manipulating_sparql_using_arq.html"}, {"content_hash": "4a2752dee4e5a76e1ada266625aa20d5ccc169f731ef9840a6cd03dc943afa37", "fetched_at": "2026-08-29T11:50:41.476139+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/index.html"}, {"content_hash": "0ec58093abd26b3838ee95bc46546413d6b157408522ebdc0c9d5d69f0b04fd0", "fetched_at": "2026-08-29T11:50:41.477799+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/query/index.html"}, {"content_hash": "6a572c17062859d088b9931f8741a2e66cec4538feb2aff6f928ab6d3bbc1850", "fetched_at": "2026-08-29T11:50:41.479340+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/io"}, {"content_hash": "ce5d6c5acc9bca87b13d1b13acd092f4ecbe8aca09bc52992fcccfbc56f320eb", "fetched_at": "2026-08-29T11:50:41.482866+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/tools/index.html"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T04:38:00.304758+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "c0945ead2869c99ac6eea88519529560d5e8e01c4f718d356e231d144ab10034", "fetched_at": "2026-08-28T04:04:39.988943+00:00", "kind": "readme", "missing": false, "url": "https://github.com/apache/jena"}, {"content_hash": "60843c4d2db0e571a5595571c78ae4e0ec28bfad28ad75118d44da7bdd1711eb", "fetched_at": "2026-08-29T11:50:41.466174+00:00", "kind": "homepage", "missing": false, "url": "https://jena.apache.org/"}, {"content_hash": "4736566dc58bda0e2f1e0b43eddb944c56e53628afd4f185c5328a983397e271", "fetched_at": "2026-08-29T11:50:41.480987+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/assembler/index.html"}, {"content_hash": "d43ac536e6c3c0de7fb8d43a1998acc1bd2ba62bd111741a83a1e7cbabe7f8da", "fetched_at": "2026-08-29T11:50:41.470132+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/fuseki2/index.html"}, {"content_hash": "7105c4b45e916e3e614a4e9129009f7aab11a217702e8d31c24342d6c7cc5aa7", "fetched_at": "2026-08-29T11:50:41.472217+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/notes/index.html"}, {"content_hash": "2d632a8ac244cf6fcc9d2ca930ffac450a93a80011d4d4cf7d85b043bafe0eab", "fetched_at": "2026-08-29T11:50:41.474134+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/query/manipulating_sparql_using_arq.html"}, {"content_hash": "4a2752dee4e5a76e1ada266625aa20d5ccc169f731ef9840a6cd03dc943afa37", "fetched_at": "2026-08-29T11:50:41.476139+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/index.html"}, {"content_hash": "0ec58093abd26b3838ee95bc46546413d6b157408522ebdc0c9d5d69f0b04fd0", "fetched_at": "2026-08-29T11:50:41.477799+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/query/index.html"}, {"content_hash": "6a572c17062859d088b9931f8741a2e66cec4538feb2aff6f928ab6d3bbc1850", "fetched_at": "2026-08-29T11:50:41.479340+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/io"}, {"content_hash": "ce5d6c5acc9bca87b13d1b13acd092f4ecbe8aca09bc52992fcccfbc56f320eb", "fetched_at": "2026-08-29T11:50:41.482866+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/tools/index.html"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T04:38:00.304758+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "c0945ead2869c99ac6eea88519529560d5e8e01c4f718d356e231d144ab10034", "fetched_at": "2026-08-28T04:04:39.988943+00:00", "kind": "readme", "missing": false, "url": "https://github.com/apache/jena"}, {"content_hash": "60843c4d2db0e571a5595571c78ae4e0ec28bfad28ad75118d44da7bdd1711eb", "fetched_at": "2026-08-29T11:50:41.466174+00:00", "kind": "homepage", "missing": false, "url": "https://jena.apache.org/"}, {"content_hash": "4736566dc58bda0e2f1e0b43eddb944c56e53628afd4f185c5328a983397e271", "fetched_at": "2026-08-29T11:50:41.480987+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/assembler/index.html"}, {"content_hash": "d43ac536e6c3c0de7fb8d43a1998acc1bd2ba62bd111741a83a1e7cbabe7f8da", "fetched_at": "2026-08-29T11:50:41.470132+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/fuseki2/index.html"}, {"content_hash": "7105c4b45e916e3e614a4e9129009f7aab11a217702e8d31c24342d6c7cc5aa7", "fetched_at": "2026-08-29T11:50:41.472217+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/notes/index.html"}, {"content_hash": "2d632a8ac244cf6fcc9d2ca930ffac450a93a80011d4d4cf7d85b043bafe0eab", "fetched_at": "2026-08-29T11:50:41.474134+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/query/manipulating_sparql_using_arq.html"}, {"content_hash": "4a2752dee4e5a76e1ada266625aa20d5ccc169f731ef9840a6cd03dc943afa37", "fetched_at": "2026-08-29T11:50:41.476139+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/index.html"}, {"content_hash": "0ec58093abd26b3838ee95bc46546413d6b157408522ebdc0c9d5d69f0b04fd0", "fetched_at": "2026-08-29T11:50:41.477799+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/query/index.html"}, {"content_hash": "6a572c17062859d088b9931f8741a2e66cec4538feb2aff6f928ab6d3bbc1850", "fetched_at": "2026-08-29T11:50:41.479340+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/io"}, {"content_hash": "ce5d6c5acc9bca87b13d1b13acd092f4ecbe8aca09bc52992fcccfbc56f320eb", "fetched_at": "2026-08-29T11:50:41.482866+00:00", "kind": "site_page", "missing": false, "url": "https://jena.apache.org/documentation/tools/index.html"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 99, "longevity": 100, "rhythm": 35}, "computed_at": "2026-09-03T02:20:16.233290+00:00", "flags": ["no_releases"], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 4989, "days_push": 7, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 77, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}