Optimization for IR and business metrics
  -

  Diversity in product search and recommendations
  -

  Relevance models for multi-faceted entities
  -

  Relevance vs. revenue
  -

  Deterministic sorts (e.g. price low to high)
  -

  Temporal dynamics and seasonality
  -

  Query intent, query suggestions, and auto-completion
  -

  Strategies for resolving low or zero recall queries
  -

  Cross-modal search (e.g., text, structured data, images)
  -

  Categorization and facets
  -

  Reviews and sentiment analysis
  -

  Personalization & contextualization
  -

  Privacy, bias and ethics in eCommerce IR
  -

  Blending recommendations, sponsored products and search results
  -

  Representations and Data
  -

  Semantic representation of products, queries, and customers
  -

  Construction and use of knowledge graphs for eCommerce
  -

  Unified and universal search and recommendations
  -

  Cross-lingual search and machine translation
  -

  Indexing and search in rapidly changing environments (e.g., auction
  sites)
  -

  Experimentation techniques including AB testing and multi-armed
  bandits
  -

  Trust, transparency, and fairness in eCommerce
  -

  UX for eCommerce
  -

  Question answering and chatbots for eCommerce

*2025 SIGIR Workshop On eCommerce (SIGIR eCom '25)* The SIGIR Workshop on eCommerce will serve as a platform for publication and discussion of Information Retrieval, NLP, and Computer Vision research relative to their applications in the domain of eCommerce. This workshop will bring together practitioners and researchers from academia and industry to discuss the challenges and approaches to product search and recommendation in eCommerce. *The deadline for paper submission is April 23, 2025 (11:59 P.M. AoE)* The special theme of eCom '25 is *From Research to Product: Challenges, Lessons, and Opportunities in eCommerce Search and Recommendations.* SIGIR eCom is a full day workshop taking place on Thursday, July 17, 2025 in conjunction with SIGIR 2025. SIGIR eCom'25 will be an in-person workshop. ________________________________________________________________ ________________________________________________________________ *Important Details* Paper submission deadline - April 23, 2025 (11:59 P.M. AoE <http://www.worldtimeserver.com/time-zones/aoe/>) Notification of acceptance - May 21, 2025 SIGIR eCom Full day Workshop - July 17, 2025 Venue: SIGIR 2025 <https://sigir2025.dei.unipd.it/> (Padua, Italy) Website: https://sigir-ecom.github.io/ Organizers: Yubin Kim, Tracy Holloway King, Aditya Chichani, Pallavi Gudipati, Andrew Trotman *Topics* Topics of interest include, but are not limited to: - From Research to Product: Challenges, Lessons, and Opportunities in eCommerce Search and Recommendations. (2025 special theme) - Ranking and Whole Page Relevance (WPR) - Optimization for IR and business metrics - Diversity in product search and recommendations - Relevance models for multi-faceted entities - Relevance vs. revenue - Deterministic sorts (e.g. price low to high) - Temporal dynamics and seasonality - Query and Document Understanding - Query intent, query suggestions, and auto-completion - Strategies for resolving low or zero recall queries - Cross-modal search (e.g., text, structured data, images) - Categorization and facets - Reviews and sentiment analysis - Recommendation and Personalization - Personalization & contextualization - Privacy, bias and ethics in eCommerce IR - Blending recommendations, sponsored products and search results - Representations and Data - Semantic representation of products, queries, and customers - Construction and use of knowledge graphs for eCommerce - IR Fundamentals for eCommerce - Unified and universal search and recommendations - Cross-lingual search and machine translation - Indexing and search in rapidly changing environments (e.g., auction sites) - Experimentation techniques including AB testing and multi-armed bandits - Other challenges - Trust, transparency, and fairness in eCommerce - UX for eCommerce - Question answering and chatbots for eCommerce *Submission Instructions:* All papers will be peer reviewed (single-blind) by the program committee and judged by their relevance to the workshop, especially to the main themes identified above, and their potential to generate discussion. All submissions must be in PDF formatted according to the latest CEUR single column format available at h ttps://www.overleaf.com/latex/templates/template-for-submissions-to-ceur-workshop-proceedings-ceur-ws-dot-org/wqyfdgftmcfw. The short (8-page) and long (15-page) limits are extended to account for this. For instructions and LaTeX/Overleaf/docx templates, see: https://ceur-ws.org/HOWTOSUBMIT.html#CEURART. Read up to and including the “License footnote in paper PDFs” section. Please Use Emphasizing Capitalized Style for Paper Titles. Submissions must describe work that is not previously published, not accepted for publication elsewhere, and not currently under review elsewhere. All submissions must be in English. The workshop follows a single-blind reviewing process. We do not accept anonymous submissions. Please note that at least one of the authors of each accepted paper must register for the workshop and present the paper. Long paper limit: 15 pages. References are not counted in the page limit. Short paper limit: 8 pages. References are not counted in the page limit. Submissions to SIGIR eCom should be made through OpenReview at: https://openreview.net/group?id=ACM.org/SIGIR/2025/Workshop/eCom Contact: Yubin Kim E-mail: yubink.cs@gmail.com