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This article explores the tension between the concept of a Designated Community (DC) as a foundational element in Trustworthy Digital Repository (TDR) certification and curators' uncertainty about how to interpret and apply this concept in practice.

This research employs a qualitative research design involving in-depth semi-structured interviews with stakeholders in the Trustworthy Digital Repository Audit and Certification (TRAC) process.

The authors' findings indicate that stakeholders in the audit and certification process viewed their uncertainty about how to apply the concept of a DC in the context of an audit as a source of risk for digital repositories and the repositories' collections.

This article brings new insights to digital preservation by applying social theories of risk to trustworthy digital repository audit and certification processes, with an emphasis on the concept of DC.

The first purpose is to assess the quality of containerized multimodal export and the second is to develop and demonstrate the design of a service network with quality approach.

The article used the structural equation model to develop a model to measure the quality of multimodal transportation for containerized exports and finalized the model with an alternative approach. The evolutionary algorithm had been used to design a service network based on quality.

Provided factors affecting quality of multimodal transportation and reverse to one hypothesis, the construct variation in cost, time shape and quantity did not affect the quality of multimodal transportation for containerized exports. The model without variation construct was finalized by exploring causality.

This research had scope till container loading onto the vessel and assessed the quality for containerized cargo only, and second research purpose is limited by assumed values of fitness function and the limited number of nodes, in service network design demonstration.

This research provided a tool to measure the quality of multimodal transportation for containerized exports and demonstrated the field application of the model developed in service network design. This approach included all factors applicable across the container movement. The integrated approach of the article provided an organized method to design a service network for containerized exports.

This work provided the tool to assess the quality of multimodal transportation for containerized exports and developed an approach to design a service network of multimodal transportation based on quality. This approach has considered the factors of multimodal transportation comprehensively in contrast to the optimization approaches based on operation research techniques.

Virtual communities of practice (VCoPs) supported educators during the COVID-19 pandemic and the resurgent movement for racial justice that arose in 2020. Four VCoPs offered a venue for practitioners and researchers to develop social capital in the face of pandemic and persistent institutional racism.

Researchers conducted semi-structured interviews with organizers of four VCoPs and collected supporting documentation from those organizers.

VCoP organizers created opportunities to develop bridging and bonding capital of equity- and justice-focused educators.

The analysis points toward the affordances of VCoPs in crisis response and equity leadership.

This original analysis extends work on communities of practice, generally, virtual communities of practice, and equity leadership development.

The National Association for Professional Development Schools (NAPDS) recognizes that there is a tendency for the term “PDS” (Professional Development School) to be used as a catch-all for various relationships that constitute school–university partnership work. The intent of this NAPDS statement is to assert the essentials, or fundamental qualities, of a PDS. NAPDS encourages all those working in school–university relationships to embrace the Nine Essentials of PDSs communicated in this statement. The Essentials are written in tangible, rather than abstract, language and represent practical goals toward which work in a PDS should be directed.

Policy statement.

NAPDS maintains that these Nine Essentials need to be present for a school-university relationship to be called a PDS. Without having all nine, the relationship that exists between a school/district and college/university, albeit however strong, would not be a PDS. How individual PDSs meet these essentials will vary from location to location, but they all need to be in place to justify the use of the term “PDS.”

For those in established PDSs, some aspects of this document will be confirmed, while other aspects may be identified as needing attention. For those aspiring to establish PDSs, the authors offer this statement as a useful guide for their work. NAPDS invites individuals involved in school–university partnerships to share this statement with colleagues in the spirit of continuous improvement. By coming to terms with the challenges and opportunities inherent in this statement, the study can collectively fulfill the vision of this remarkable and distinct partnership called PDS.

This policy statement articulates how the Nine Essentials are the foundation of PDS work.