Create multisumm.md

Author: cmihaigabriel

_editions/2025/tasks/multisumm.md

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+---
+# static info
+layout: task
+year: 2025
+hide: true  <!-- # change this to false once you finish editing-->
+
+# required info
+title: MultiSumm: Multimodal summarization of multiple topically related websites
+subtitle: MultiSumm
+blurb: <!-- # add the task blurb here-->
+---
+
+<!-- # please respect the structure below-->
+*See the [MediaEval 2025 webpage](https://multimediaeval.github.io/editions/2025/) for information on how to register and participate.*
+
+#### Task description
+
+#### Motivation and background
+
+#### Target group
+
+#### Data
+
+#### Ground truth
+
+#### Evaluation methodology
+
+#### Quest for insight
+Here are several research questions related to this challenge that participants can strive to answer in order to go beyond just looking at the evaluation metrics: 
+* <!-- # First research question-->
+* <!-- # Second research question-->
+<!-- # and so on-->
+
+#### Participant information
+<!-- Please contact your task organizers with any questions on these points. -->
+<!-- # * Signing up: Fill in the [registration form]() and fill out and return the [usage agreement](). -->
+<!-- # * Making your submission: To be announced (check the task read me) <!-- Please add instructions on how to create and submit runs to your task replacing "To be announced." -->
+<!-- # * Preparing your working notes paper: Instructions on preparing you working notes paper can be found in [MediaEval 2023 Working Notes Paper Instructions]().-->
+
+#### References and recommended reading
+<!-- # Please use the ACM format for references https://www.acm.org/publications/authors/reference-formatting (but no DOI needed)-->
+<!-- # The paper title should be a hyperlink leading to the paper online-->
+
+#### Task organizers
+* <!-- # First organizer-->
+* <!-- # Second organizer-->
+<!-- # and so on-->
+
+#### Task auxiliaries
+<!-- # optional, delete if not used-->
+* <!-- # First auxiliary-->
+* <!-- # Second auxiliary-->
+<!-- # and so on-->
+
+#### Task schedule
+* XX May 2025: Development Data release <!-- * XX May 2025: Data release <!-- # Replace XX with your date. We suggest setting the date in May - of course if you want to realease sooner it's OK. -->
+* XX June 2025: Development Data release <!-- * XX June 2025: Data release <!-- # Replace XX with your date. We suggest setting the date in June - of course if you want to realease sooner it's OK. -->
+* XX September 2025: Runs due and results returned. Exact dates to be announced. <!--* XX September 2025: Runs due <!-- # Replace XX with your date. We suggest setting enough time in order to have enough time to assess and return the results by the Results returned.-->
+* 08 October 2025: Working notes paper  <!-- Fixed. Please do not change.-->
+* 25-26 October 2025: MediaEval Workshop, Dublin, Ireland and Online.. <!-- Fixed. Please do not change.-->
+
+#### Acknowledgements
+<!-- # optional, delete if not used-->