Class information for:
Level 1: OBSIDIAN//OBSIDIAN SOURCING//OBSIDIAN PROVENANCE

Basic class information

Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes

The table includes all classes above and classes immediately below the current class.



Cluster id Level Cluster label #P
3 4 GEOSCIENCES, MULTIDISCIPLINARY//GEOCHEMISTRY & GEOPHYSICS//METEOROLOGY & ATMOSPHERIC SCIENCES 1953906
40 3       ARCHAEOLOGY//ANTHROPOLOGY//GEOGRAPHY, PHYSICAL 106435
100 2             ARCHAEOLOGY//ANTHROPOLOGY//JOURNAL OF ARCHAEOLOGICAL SCIENCE 25924
25397 1                   OBSIDIAN//OBSIDIAN SOURCING//OBSIDIAN PROVENANCE 306

Terms with highest relevance score



rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 OBSIDIAN authKW 2740819 30% 29% 93
2 OBSIDIAN SOURCING authKW 1373262 7% 67% 20
3 OBSIDIAN PROVENANCE authKW 630846 2% 88% 7
4 MCMASTER ARCHAEOL XRF address 514978 2% 100% 5
5 OBSIDIAN SOURCES authKW 463477 2% 75% 6
6 UMR 5060 address 444238 9% 16% 27
7 PXRF authKW 399530 5% 26% 15
8 ARCHAEOL XRF address 367839 2% 71% 5
9 CHIPPED INDUSTRY authKW 308987 1% 100% 3
10 EAST GOLLU DAG authKW 308987 1% 100% 3

Web of Science journal categories



chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Archaeology 89199 59% 0% 180
2 Anthropology 16723 36% 0% 110
3 Geosciences, Multidisciplinary 4350 44% 0% 134
4 Nuclear Science & Technology 479 12% 0% 37
5 Chemistry, Inorganic & Nuclear 434 14% 0% 43
6 Chemistry, Analytical 385 16% 0% 50
7 Geography, Physical 201 5% 0% 14
8 Paleontology 161 3% 0% 10
9 Physics, Nuclear 63 5% 0% 15
10 Mineralogy 48 2% 0% 6

Address terms



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 MCMASTER ARCHAEOL XRF 514978 2% 100% 5
2 UMR 5060 444238 9% 16% 27
3 ARCHAEOL XRF 367839 2% 71% 5
4 RECH ARCHEOMAT 241732 4% 18% 13
5 DIPARTIMENTO SCI ARCHEOL STOR ARTIST 231739 1% 75% 3
6 OLD WORLD ARCHAEOL PROGRAM 231739 1% 75% 3
7 GRP GEOPHYS NUCL 205991 1% 100% 2
8 GRP RECH PREHIST PROTOHIST 205991 1% 100% 2
9 KATEDRA GEOL 205991 1% 100% 2
10 MUSEO SCI TERRA 205991 1% 100% 2

Journals



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ARCHEOLOGICKE ROZHLEDY 148293 4% 12% 12
2 JOURNAL OF ARCHAEOLOGICAL SCIENCE 114652 25% 1% 76
3 ARCHAEOMETRY 39152 8% 2% 23
4 JOURNAL OF MEDITERRANEAN ARCHAEOLOGY 21120 1% 5% 4
5 ARCHAOLOGISCHES KORRESPONDENZBLATT 11434 2% 2% 5
6 COMPTES RENDUS PALEVOL 10664 3% 1% 10
7 GEOARCHAEOLOGY-AN INTERNATIONAL JOURNAL 8703 2% 1% 7
8 TRABAJOS DE PREHISTORIA 8400 1% 2% 4
9 PAMATKY ARCHEOLOGICKE 7625 1% 4% 2
10 JOURNAL OF ISLAND & COASTAL ARCHAEOLOGY 6013 1% 2% 3

Author Key Words



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 OBSIDIAN 2740819 30% 29% 93 Search OBSIDIAN Search OBSIDIAN
2 OBSIDIAN SOURCING 1373262 7% 67% 20 Search OBSIDIAN+SOURCING Search OBSIDIAN+SOURCING
3 OBSIDIAN PROVENANCE 630846 2% 88% 7 Search OBSIDIAN+PROVENANCE Search OBSIDIAN+PROVENANCE
4 OBSIDIAN SOURCES 463477 2% 75% 6 Search OBSIDIAN+SOURCES Search OBSIDIAN+SOURCES
5 PXRF 399530 5% 26% 15 Search PXRF Search PXRF
6 CHIPPED INDUSTRY 308987 1% 100% 3 Search CHIPPED+INDUSTRY Search CHIPPED+INDUSTRY
7 EAST GOLLU DAG 308987 1% 100% 3 Search EAST+GOLLU+DAG Search EAST+GOLLU+DAG
8 HANDHELD PORTABLE X RAY FLUORESCENCE HHPXRF 308987 1% 100% 3 Search HANDHELD+PORTABLE+X+RAY+FLUORESCENCE+HHPXRF Search HANDHELD+PORTABLE+X+RAY+FLUORESCENCE+HHPXRF
9 NEMRUT DAG 308987 1% 100% 3 Search NEMRUT+DAG Search NEMRUT+DAG
10 NENEZI DAG 308987 1% 100% 3 Search NENEZI+DAG Search NENEZI+DAG

Core articles

The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.

Classes with closest relation at Level 1



rank cluster_id2 link
1 24123 PORTABLE XRF//PORTABLE X RAY FLUORESCENCE//PLUTONIC GOLD MINE
2 34177 TIANCHI VOLCANO//CHANGBAISHAN TIANCHI VOLCANO//TIANCHI
3 4591 AMERICAN ANTIQUITY//PALEOINDIAN//ARCHAEOLOGY
4 3693 ARCHAEOMETRY//POTTERY//FIRING TEMPERATURE
5 11737 ZINMAN ARCHAEOL//NATUFIAN//SOUTHERN LEVANT
6 9214 PIXE//PIGE//EXTERNAL BEAM
7 17400 SAGALASSOS//LATE CHALCOLITHIC//SEISMOGEOCHEM ANALYT
8 36804 PANTELLERIA//SICILY CHANNEL//RHEOMORPHIC TUFF
9 24744 ANAL MAT ANTICHI//WHITE MARBLE//MILLSTONE
10 28682 MANCALA//BRONZE AGE CYPRUS//AMBELIKOU ALETRI

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