Introduction MATERIAL Lithuanian-English Language Pack, Linguistic Data Consortium Catalog Number LDC2026S12, was developed by Appen for the IARPA (Intelligence Advanced Research Projects Activity) MATERIAL (Machine Translation for English Retrieval of Information in Any Language) program. It contains approximately 64 hours of Lithuanian conversational telephone speech, transcripts, English translations, annotations and queries. The MATERIAL program focused on underserved languages with the ultimate goal to build cross language information retrieval systems to find speech and text content using English search queries. Data The Lithuanian speech in this release represents both Auk??taitian and Samogitian regional dialects spoken in Lithuania. The gender distribution among speakers is approximately equal; speakers' ages range from 16 years to 70 years. Calls were made using different telephones (e.g., mobile, landline) from a variety of environments including the street, a home or office, a public place, and inside a vehicle. Transcripts cover 100% of the speech data, and approximately 6% of the speech data was translated into English. Further information about transcription and translation methodologies is contained in the documentation accompanying this release. Lithuanian-English Language Pack also includes domain annotations, English queries and their relevance annotations. Annotators marked transcripts by domain (e.g., lifestyle, business-and-commerce, sports, education and so on), by query (simple, conceptual, hybrid) and by their relevance to query search terms. Speech data is presented either as two channel wav or single channel sphere files, both in A-law format, and predominately as 8kHz. All text data is UTF-8 encoded. Updates Additional information, updates, bug fixes may be available in the LDC catalog entry for this corpus at LDC2026S12.

Creator(s)

Nyka Aukstuolis

siguete Bertulyte-Harton

Aric Bills

Jolanta Blazaite

Anne Boyle

Brenda Bujanauskaite

Sarra Chouder

Nathaniel Clair

Tom Conners

Cassian Corey

Eyal Dubinski

Corinna Ellis

Jess Fernando

Paul Gibby

Simon Hammond

Guia Hidalgo

Maxime Hubert

Dagmara Kalnins

Michael Kazi

Valentina Krickus

Julie Lam

Rosie Lazar

Hanh Le

Nicolas Malyska

Olivia Medel

Jennifer Melot

Alyssa Mensch

Michelle Morrison

Alston Raymer

Shelley Paget

Frederick Richardson

Carl Rubino

Bern Samko

Gregory Sanders

Jonathan Taylor

Brian Thompson

Audrey Tong

Richard Tong

Julie Yelle

Jennifer Yu

Ilya Zavorin

Distributor(s)

Linguistic Data Consortium

Right Holder(s)

Linguistic Data Consortium