ScienceDirect
Latest screenshot: 2024-07-17
Access to search interface:
open
Last major interface update:
2018-03-03
Owner of search system:
Elsevier
Location of system headquarters:
Amsterdam, NL
Year of launch:
1997
Type:
Journal platform
X-Handle:
Description of search system (by system owner)
Built on the widest range of trusted, high-quality, interdisciplinary research and scholarly literature, ScienceDirect helps uncover answers to the world’s most pressing questions. Whether you’re a teacher, student, librarian or researcher, ScienceDirect will help you build a solid knowledge foundation, stay on top of your field and gain in-depth insights into trending topics as you take your next steps in discovery.
Total coverage:
19.35M
Year-over-year growth (2020-2021):
9.69%
Subject coverage:
Multidisciplinary
Retrospective coverage:
1823–2023
Record types:
24
Open Access records:
1.40M / 7.24%
Search functionality and interface
Systematic keyword searching:
limited
Backward citation searching:
sufficient
Forward citation searching:
sufficient
Query builder:
Search history:
Match preview:
Sorting options:
2
Query
Latency with short query:
0.47 seconds
Latency with long query:
0.5 seconds
Controlled vocabulary:
Field codes:
12
Full text search:
Search string length (narrow):
10 terms max.
Search string length (wide):
10 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:
4
Boolean 'OR':
Boolean 'AND':
Boolean 'NOT':
Proximity operator:
Boolean works exact:
Nested search (parentheses):
Citation search / filtering
Record type filters:
24
Results filters:
4
Suggested related records:
Supported by bibliometric tools:
N/A
Backward citation information:
Backward citation score:
98.50%
Forward citation information:
Forward citation score:
77.47%
Retrieval
Number of accessible records:
1000
Bulk select records:
Bulk export records:
100
Export formats:
5
API:
open
Bulk select records' backward citations:
Bulk export backward citations:
1
Bulk select records' forward citations:
Bulk export forward citations:
1
