From 03683b5b32fc0e525df6163c6e6248d0602453e4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rabea=20M=C3=BCller?=
 <42644523+RabeaMue@users.noreply.github.com>
Date: Fri, 17 Apr 2026 18:22:29 +0200
Subject: [PATCH] Add glossary and references to reference page (closes #80)

---
 learners/reference.md | 92 +++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 88 insertions(+), 4 deletions(-)

diff --git a/learners/reference.md b/learners/reference.md
index 48a8756b..fa154bca 100644
--- a/learners/reference.md
+++ b/learners/reference.md
@@ -4,14 +4,98 @@ title: 'Reference'
 
 ## Glossary
 
-## Glossary
+**Item**
+: A Wikidata entity representing a thing or concept, such as a person, 
+place, or work. Each item has a unique identifier beginning with "Q" 
+(e.g. Q42 for Douglas Adams).
+
+**Property**
+: A defined relationship or attribute used in Wikidata statements. 
+Each property has a unique identifier beginning with "P" 
+(e.g. P31 for "instance of").
+
+**Statement**
+: A claim about an item, consisting of a property and a value, 
+optionally supported by references and qualifiers.
+
+**Triple**
+: The basic data structure of RDF and Wikidata, consisting of a 
+subject, predicate, and object (item – property – value).
+
+**Label**
+: The human-readable name of an item or property, which can exist 
+in multiple languages.
+
+**Description**
+: A short phrase that helps distinguish an item from similar items, 
+available in multiple languages.
+
+**Alias**
+: An alternative name for an item, used to improve searchability.
+
+**Qualifier**
+: Additional information that refines a statement, such as a time 
+period or a location.
+
+**Reference**
+: A source that supports a statement, such as a URL or a publication.
+
+**Identifier**
+: A property that links a Wikidata item to an entry in an external 
+database, such as VIAF, ORCID, or the Library of Congress Name 
+Authority File.
+
+**SPARQL**
+: A query language for RDF data, used to search and retrieve 
+information from Wikidata via the Wikidata Query Service at 
+https://query.wikidata.org/.
+
+**RDF (Resource Description Framework)**
+: A standard model for data interchange on the web, based on triples.
+
+**Wikidata Query Service**
+: The SPARQL endpoint for Wikidata, available at 
+https://query.wikidata.org/, which allows users to run queries 
+against the Wikidata knowledge graph.
+
+**Test instance**
+: A separate version of Wikidata at https://test.wikidata.org/ 
+used for practice and testing, which is regularly cleaned and 
+does not affect the live database.
+
+**QuickStatements**
+: A tool for bulk adding or editing Wikidata statements using 
+tab-separated data.
+
+**Scholia**
+: A tool built on Wikidata that generates scholarly profiles for 
+researchers, organizations, and topics based on Wikidata data.
 
-FIXME
 
 ## References
 
-- Bianchini, C., \& Sardo, L. (2022). [Wikidata: a new perspective towards universal bibliographic control](https://www.jlis.it/index.php/jlis/article/view/439)
-  . JLIS.It, 13(1), 291–311.
+- Allison-Cassin, S., Armstrong, A., Ayers, P., Cramer, T., Custer, M., 
+  Lemus-Rojas, M., McCallum, S., Proffitt, M., Puente, M. A., Ruttenberg, J., 
+  & Stinson, A. (2019). [ARL White Paper on Wikidata: Opportunities and 
+  Recommendations](https://www.arl.org/wp-content/uploads/2019/04/2019.04.18-ARL-white-paper-on-Wikidata.pdf). 
+  Association of Research Libraries.
+
+- Bianchini, C., \& Sardo, L. (2022). [Wikidata: a new perspective towards 
+  universal bibliographic control](https://www.jlis.it/index.php/jlis/article/view/439). 
+  JLIS.It, 13(1), 291–311.
+
+- Elhossary, M., \& Förstner, K. U. (2025). [InteractOA: Showcasing the 
+  representation of knowledge from scientific literature in Wikidata](https://journals.sagepub.com/doi/full/10.3233/SW-243685). 
+  Semantic Web. DOI: 10.3233/SW-243685
+
+- Nielsen, F. Å., Mietchen, D., \& Willighagen, E. (2017). [Scholia and 
+  scientometrics with Wikidata](https://link.springer.com/chapter/10.1007/978-3-319-70407-4_36). 
+  In E. Blomqvist et al. (Eds.), The Semantic Web: ESWC 2017 Satellite Events. 
+  Springer. DOI: 10.1007/978-3-319-70407-4_36
+
+- Vrandečić, D., \& Krötzsch, M. (2014). [Wikidata: A free collaborative 
+  knowledgebase](https://dl.acm.org/doi/10.1145/2629489). 
+  Communications of the ACM, 57(10), 78–85. DOI: 10.1145/2629489