Related Works in the Linguistic Data Consortium Catalog

Proceedings of the 12th Conference on Language Resources and Evaluation (LREC 2020), pages 3438–3442 Marseille, 11–16 May 2020 c⃝ European Language Resources Association (ELRA), licensed under CC-BY-NC 3438 Related Works in the Linguistic Data Consortium Catalog Daniel Jaquette, Christopher Cieri, Denise DiPersio Linguistic Data Consortium 3600 Market Street, Philadelphia, PA. 19104 USA {jaquette, ccieri, dipersio}@ldc.upenn.edu Abstract Defining relations between language resources provides an archive with the ability to better serve its users. This paper covers the development and implementation of a Related Works addition to the Linguistic Data Consortium’s (LDC) catalog. The authors go step- by-step through the development of the Related Works schema, implementation of the software and database changes, and data entry of the relations. The Related Work schema involved developing of a set of controlled terms for relations based on previous work and other schema. Software and database changes consisted of both front and back end interface additions, along with modification and additions to the LDC Catalog database tables. Data entry consisted of two parts: seed data from previous work and 2019 language resources, and ongoing legacy population. Previous work in this area is discussed as well as overview information about the LDC Catalog. A list of the full LDC Related Works terms is included with brief explanations. Keywords: relations, metadata, language resources 1. Introduction Categorizing relations between language resources offers the ability for an archive to better serve its users by identifying additional resources of potential interest, deepening a resource’s metadata and increasing findability. There are multiple ways to implement this functionality; these include established metadata standards in META- SHARE, ISOCat, OLAC (Open Language Archives Community) and Dublin Core. The Linguistic Data Consortium (LDC) recently deployed such a metadata field in the LDC Catalog called ‘Related Works.” Related Works are defined by a controlled vocabulary of relations based on the standards mentioned above with modifications relevant to the Consortium’s language resources. We describe the Related Works schema, and the steps to implementation. The latter include additional database functionalities to store and display Related Works information and the processes to recognize and add relations between/among the Consortium’s language resources and external resources (where appropriate). As of this writing, Related Works have been cataloged for roughly eighty percent of LDC’s holdings and the data indicates that each corpus has an average of about 2.7 relations. Even though not yet complete, the Related Works designation has enriched the Catalog by improving database infrastructure and providing users with additional, useful information about LDC’s language resources. 2. The LDC Catalog The LDC Catalog consists of over 800 publicly accessible Language Resources (LR), adding approximately 36 new ones each year. In the LDC Catalog, these LRs are data sets used for a variety of different applications for research, technology development, and instruction in the disciplines of human language technologies and linguistics. See Figure 1 for an example of part of a catalog entry. 3. Taxonomy of Relations among Language Resources Labropoulou, Cieri and Gavrilidou (2014) proposed a taxonomy of relations among language …

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