CLEF

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CLEF
Conference and Labs of the Evaluation Forum
Categories: Natural language processing
http://www.clef-initiative.eu/
Avg. acceptance rate:	0
Avg. acceptance rate (last 5 years):	0
Table of Contents

Conference and Labs of the Evaluation Forum (CLEF) has an average acceptance rate of 0% (last 5 years 0%).

Events

There are 5 events of the series CLEF known to this wiki: CLEF 2017, CLEF 2018, CLEF 2019, CLEF 2020, CLEF 2021

	OrdinalThis property of the datatype Number represents the ordinal number of an event within an event series. Thereby it informs about the age of an event series. This property is not needed for the DOI registration process via DataCite and is optional.	Year	FromThis property is of the datatype Date and it is being used to provide the start date of an academic event or a project.</br>This property is aligned with icaltzd:dtstart. It is a mandatory property when describing an academic event and it is needed for the DOI registration process via DataCite.	ToThis property is of the datatype Date and it is being used to provide the end date of an academic event or a project.</br>This property is aligned with icaltzd:dtend.</br>It is a mandatory property when describing an academic event and it is needed for the DOI registration process via DataCite.	CityThe property Has location city can be used to specify the city where a street, building, event, etc. is located in.</br>It is of the datatype Page and a special case of the Property:Located in. Other properties for specifying locations are: property:Has location country, property:Has location state and property:Has location address.</br>When specifying the city in which an academic event takes or took place, using this property is not needed for the DOI registration process via DataCite but strongly recommended.	CountryThe property Has location country is used to describe the country where something is located in.</br>It is of the datatype Page and a special case of the Property:Located in. Other properties for specifying locations are: property:Has location city, property:Has location state and property:Has location address.</br>When specifying the country in which an academic event takes or took place, using this property is not needed for the DOI registration process via DataCite but strongly recommended.	presence	HomepageThis property is of the datatype URL and it is being used to provide the official website of an academic event or an event series.</br>It is a recommended property when describing an academic event or event series and it is not needed for the DOI registration process via DataCite.	TibKatId	GNDThis property of the datatype External identifier is used to provide the identifier with which an entity is indexed in the Integrated_Authority_File (GND). Its external formatter URI is http://d-nb.info/gnd/$1.</br>In Open Research it is mostly used to identify an academic event or event series within the GND. </br>The use of this property is optional.</br>It is not necessary for the DOI registration process via DataCite.	dblpThis property of the datatype External identifier is used to provide the identifier with which an entity is indexed in dblp. Its external formatter URI is https://dblp2.uni-trier.de/db/conf/$1.</br>In Open Research it is mostly used to identify an academic event within dblp. </br>The use of this property is optional. It is not necessary for the DOI registration process via DataCite.	WikiCFPThis property of the datatype External identifier is used to provide the identifier with which an entity is indexed in WikiCFP. Its external formatter URI is http://www.wikicfp.com/cfp/servlet/event.showcfp?eventid=$1.</br>In Open Research it is used to identify an academic event or event series within WikiCFP. </br>The use of this property is optional. It is not necessary for the DOI registration process via DataCite.	WikidataThis property of the datatype External identifier is used to provide the identifier with which an entity is indexed in Wikidata. Its external formatter URI is https://www.wikidata.org/entity/$1.</br>In Open Research it is mostly used to identify an academic event or event series within Wikidata. </br>The use of this property is optional. It is not necessary for the DOI registration process via DataCite.
CLEF 2021	12	2021	Sep 21	Sep 24	RO/B/Bucharest	RO		http://clef2021.clef-initiative.eu/
CLEF 2020		2020	Sep 22	Sep 25	GR/B/Municipality of Thessaloniki	GR		https://clef2020.clef-initiative.eu/
CLEF 2019		2019	Sep 9	Sep 12	CH/TI/Lugano	CH		http://clef2019.clef-initiative.eu/
CLEF 2018		2018	Sep 10	Sep 14	FR/PAC/Avignon	FR		http://clef2018.clef-initiative.eu/
CLEF 2017		2017	Sep 11	Sep 14	US/CA/Dublin	US		http://clef2017.clef-initiative.eu/

Locations

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The CLEF Initiative (Conference and Labs of the Evaluation Forum, formerly known as Cross-Language Evaluation Forum) is a self-organized body whose main mission is to promote research, innovation, and development of information access systems with an emphasis on multilingual and multimodal information with various levels of structure. CLEF promotes research and development by providing an infrastructure for:

• multilingual and multimodal system testing, tuning and evaluation;
• investigation of the use of unstructured, semi-structured, highly-structured, and semantically enriched data in information access;
• creation of reusable test collections for benchmarking;
• exploration of new evaluation methodologies and innovative ways of using experimental data;
• discussion of results, comparison of approaches, exchange of ideas, and transfer of knowledge.