Research Output
This page contains information about the Research Output data source in the Altmetric BigQuery project.
Research Output Schema
| Field |
Type |
Description |
Example |
altmetric_score |
Float |
Altmetric Attention Score. |
ⓘ |
date |
String |
Date of publication where available. Online publication date is preferred over the print publication date. |
ⓘ |
id |
String Clustering field |
Unique Altmetric identifier. |
ⓘ |
identifiers |
Identifiers |
Research output identifiers |
ⓘ |
last_mentioned_at |
Timestamp |
Most recent date of mention of this publication. |
ⓘ |
mentions |
Mentions |
Aggregated counts of Altmetric posts where the research output has been mentioned. |
ⓘ |
parent_id |
String |
ID of parent entity (e.g. a chapter's book ID) |
|
readers |
Readers |
Number of people who have bookmarked this output. |
|
title |
String |
Research output title. |
ⓘ |
year |
Integer Partitioning field |
Year of publication (YYYY). |
ⓘ |
Research Output Links
The diagram below provides an overview of the outgoing links from Research Output to other sources.

Auxiliary Entities
DimensionsRelationships
| Field |
Type |
Description |
clinical_trial_id |
String |
Links to Dimensions 'clinical_trials' table. |
dataset_id |
String |
Links to Dimensions 'datasets' table. |
publication_id |
String |
Links to Dimensions 'publications' table. |
Identifiers
| Field |
Type |
Description |
ads_id |
String |
SAO/NASA Astrophysics Data System (ADS) ID. |
arxiv_id |
String |
arXiv identifier. |
dimensions |
DimensionsRelationships |
Dimensions identifiers for publications, datasets and clinical trials. |
doi |
String |
Digital Object Identifier. |
handle_prefixes |
Array of < String > |
Prefixes of the handles as per https://handle.net/prefix.html (institutional identifier). |
handles |
Array of < String > |
Handle.net IDs (Institutional publication identifier). |
isbns |
Array of < String > |
Array of ISBNs for books (can contain multiple values). |
nct_id |
String |
National Clinical Trial identifier. |
pmcid |
String |
PubMed Central ID. |
pmid |
String |
PubMed ID. |
repec |
String |
Research Papers in Economics ID. |
ssrn |
String |
SSRN (formerly known as Social Science Research Network) ID. |
url |
String |
URL link to the publication. |
urn |
String |
Uniform Resource Name. |
Mentions
| Field |
Type |
Description |
blog |
Integer |
Number of posts on blogs that have mentioned the research output. |
bluesky |
Integer |
Number of BlueSky posts referencing this research output. |
f1000 |
Integer |
Recommendations of this research output on H1, formerly Faculty Opinions, also formerly F1000Prime. |
fbwall |
Integer |
Number of posts that have mentioned the output on Facebook walls. |
gplus |
Integer |
Number of posts that mentioned the research output from accounts on Google+. |
guideline |
Integer |
Number of clinical decision guidelines referencing this research output. |
linkedin |
Integer |
Historical mentions of this research output on LinkedIn; deprecated source as of March 2014. |
msm |
Integer |
Number of posts in news sources that have referenced the research output. |
patent |
Integer |
Number of patents that have cited this research output. |
peer_review |
Integer |
Reviews of this research output on the public peer review platforms PubPeer (historical) and/or Publons (current). |
pinterest |
Integer |
Historical mentions of this research output in Pinterest pins; deprecated source as of June 2013. |
podcast |
Integer |
Number of podcast episodes that have mentioned this research output. |
policy |
Integer |
Number of policy documents that have cited this research output. |
post_ids |
Array of < String > |
Listing of all Altmetric post identifiers where this research output was mentioned. (Link to the posts dataset.) |
qna |
Integer |
Mentions of research outputs in questions and answers (Q&A) from the StackExchange network |
rdt |
Integer |
Number of posts by Redditors that have referenced this research output. |
seminar |
Integer |
Number of seminars that have referenced this research output. |
tweet |
Integer |
Number of X (formerly Twitter) posts referencing this research output. |
video |
Integer |
Number of videos on Youtube which have referenced this research output. |
weibo |
Integer |
Historical mentions of this research output in the Chinese microblogging platform Sina Weibo; deprecated source as of July 2015. |
wikipedia |
Integer |
Number of wikipedia pages that have referenced this research output. |
Readers
| Field |
Type |
Description |
mendeley |
Integer |
Number of people who have bookmarked this output in Mendeley. |