Web of Science Core Collection

Latest screenshot: 2023-01-18

Access to search interface:

paywalled

Last major interface update:

2021-07-08

Owner of search system:

Clarivate

Location of system headquarters:

London, UK

Year of launch:

1997

Type:

Aggregators' database

URL:

N/A

Help URL:

http://images.webofknowledge.com/WOKRS532FR6/help/WOS/hp_search.html

Twitter:

@ClarivateAG

Description of database (by system owner)

A curated collection, Web of Science Core Collection contains over 21,100 peer-reviewed, high-quality scholarly journals published worldwide (including Open Access journals) in over 250 sciences, social sciences, and arts & humanities disciplines. Conference proceedings and book data are also available.

Description of search system (by system owner)

The Web of Science™ is the world’s most trusted publisher-independent global citation database. Guided by the legacy of Dr Eugene Garfield, inventor of the world’s first citation index, the Web of Science is the most powerful research engine, delivering your library with best-in-class publication and citation data for confident discovery, access and assessment. Our multidisciplinary platform connects regional, specialty, data and patent indexes to the Web of Science Core Collection™.

Notes

What the Core Collection includes is different for each subscribing institution. We analyzed it with the following databases and coverage periods:

Science Citation Index Expanded (SCI-EXPANDED) --1900-present
Social Sciences Citation Index (SSCI) --1956-present
Arts & Humanities Citation Index (A&HCI) --1975-present
Conference Proceedings Citation Index- Science (CPCI-S) --1998-present
Conference Proceedings Citation Index- Social Science & Humanities (CPCI-SSH) --1998-present
Emerging Sources Citation Index (ESCI) --2005-present

Total coverage:

79.89M

Year-over-year growth (2019-2020):

-5.47%

Subject coverage:

Multidisciplinary

Retrospective coverage:

1900–2021

Record types:

Open Access records:

15.53M / 19.44%

Search functionality and interface

Systematic keyword searching:

extensive

Backward citation searching:

extensive

Forward citation searching:

extensive

Query builder:

Search history:

Match preview:

Sorting options:

Query

Latency with short query:

N/A

Latency with long query:

1.9 seconds

Controlled vocabulary:

Field codes:

Full text search:

Search string length (narrow):

9000 terms max.

Search string length (wide):

50 terms max.

Language support: Chinese:

Language support: Cyrillic:

Truncation:

Wildcards:

Keyword position irrelevant:

Longer strings, fewer hits:

Automatic query expansion (stemming):

Verbatim queries:

Reproducible queries (time):

Reproducible queries (locations):

Operators

Search operators:

Boolean 'OR':

Boolean 'AND':

Boolean 'NOT':

Proximity operator:

Boolean works exact:

Nested search (parentheses):

Citation search / filtering

Record type filters:

Results filters:

Suggested related records:

Supported by bibliometric tools:

Bibliometrix; CiteSpace; VOSviewer

Backward citation information:

Backward citation score:

94.17%

Forward citation information:

Forward citation score:

57.72%

Retrieval

Number of accessible records:

10000

Bulk select records:

Bulk export records:

5000

Export formats:

API:

upon request

Bulk select records' backward citations:

Bulk export backward citations:

1000

Bulk select records' forward citations:

Bulk export forward citations:

1000

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