La frontière du domaine n'est pas une ligne. C'est une région.

Placeholder DOI record with no attached metadata content.

It is a DOI metadata notice rather than a study of research.

Crossref error/orphan DOI notice; not a research work about research.

Book review of an edited volume on the history of teaching French as a foreign language; the object is language teaching history.

The work concerns the history of French-language education, not research itself.

Book notice on 19th-century French language teaching history; empty abstract and no object of research practice.

'Parutions recentes' book-notices column in a political history bulletin with no abstract; a bibliographic listing rather than a study of research practice, but the payload is too thin to judge confidently.

The title indicates a recent-publications item, but there is insufficient information to identify a metaresearch object.

Title is a recent-publications listing with no abstract; announcement-style item, not analytic metaresearch.

Computer science preprint proposing a blockchain-assisted cloud log storage system; the object is a software architecture.

The thesis proposes a blockchain system for securing cloud logs, not research infrastructure or practice.

CS systems thesis building blockchain log storage; tool-building, not studying research.

Book review on heroines of American TV series; media and gender studies commentary.

This analyzes female protagonists in American television series, not the research system.

Book review of American television heroines; media/cultural studies, not research systems.

A dermatology journal self-assessment CME feature; the abstract is only a journal blurb, with no metaresearch content.

The title and journal overview are insufficient to identify a research-system object.

Journal self-description/promotional overview of Dermatitis; contextual scholarly-communication material, not analytic metaresearch.

Plant pathology distribution map for Peach latent mosaic viroid; a geographic data note about a pathogen.

The work maps the geographic distribution of a plant viroid rather than studying research practice.

Plant disease distribution map; object is a plant pathogen, not research practice.

Clinical case report of postpartum sinus thrombosis.

This is a clinical case report about cerebral venous thrombosis, not research practice.

Clinical case report of postpartum cerebral venous thrombosis; medical case study.

Biographical reference entry (obituary-type record) for a Canadian university professor and principal; contextual academic record rather than a study of research.

This is a biographical reference entry about a university professor.

Who Was Who biographical reference entry/obituary, not a study of research.

Item associated with the Canadian Thoracic Society Pulmonary Vascular Diseases Committee with no abstract; the content is clinical society business in respirology, not research practice, but the item type cannot be determined.

The title identifies a professional committee but provides too little information to establish a metaresearch object.

Committee masthead/listing title only; not a study of research, mapped as non-analytic item.

Textbook chapter on vector and matrix multiplication; a mathematics/computing topic.

The title identifies a mathematical textbook-style topic unrelated to research itself.

Linear algebra textbook chapter on vector and matrix multiplication; unambiguous domain content.

Bare corrigendum in a nutrition journal with no metaresearch content; a correction notice attached to domain work rather than to the metaresearch ecosystem.

A corrigendum is contextual scholarly communication material and is not part of the analytic corpus.

Corrigendum is a correction notice; contextual bibliographic item, never pooled.

Empty/erroneous DOI record whose 'abstract' is Crossref boilerplate; no research content.

This is a DOI metadata and persistence notice concerning scholarly infrastructure.

Orphan DOI metadata stub with no scholarly content about research.

Journal front matter: masthead, editorial board and table of contents.

The record is journal front matter and contextual scholarly-publishing metadata.

Journal masthead, membership list, and TOC administrative front matter, not a study of research.

Structural engineering study of bridge response to non-uniform seismic motion.

The work studies bridge responses to earthquakes rather than research practice.

Structural engineering study of bridge seismic response; domain engineering, not metaresearch.

Clinical study of preschool oral immunotherapy and parental quality of life; a patient/family outcome question.

The preprint studies clinical effects of oral immunotherapy on parents rather than research practice.

Clinical impact of preschool oral immunotherapy on parental quality of life.

Theoretical computer science on system algebra foundations for granular computing.

The paper develops mathematical foundations for granular computing rather than studying research practice.

Computer-science theory of granular computing and system algebra, not metaresearch.

OECD study of public administration reform after New Public Management; government management, not the research system.

This report analyzes public-administration reforms rather than the research system.

OECD public-administration reform and value-for-money government; public management, not research policy as object.

Industry conference paper on LNG imports and gas markets; an energy-economics question.

The work analyzes LNG markets, supply, demand, and pricing rather than research practice.

Industry energy paper on LNG imports into North America; commercial energy supply, not research.

Taxonomy and diversity of cultured marine photosynthetic flagellates.

It studies the diversity and phylogeny of marine flagellates.

Phytoplankton strain isolation and diversity is domain marine microbiology.

Stub record whose 'abstract' is Crossref boilerplate about erroneously created DOIs; no research content.

The record is a contextual notice about DOI metadata and deletion procedures.

Unattached DOI error record with no real scholarly object to classify.

Registry analysis of infliximab dose escalation in pediatric IBD; clinical question.

The registry study examines infliximab dosing in pediatric inflammatory bowel disease.

Observational registry of infliximab dosing in pediatric IBD; clinical therapeutics.

Stub record whose 'abstract' is Crossref boilerplate about erroneously created DOIs; no research content despite the identifier vocabulary.

The record is a contextual notice about DOI metadata and deletion procedures.

DOI-error placeholder with no usable bibliographic content for inclusion decisions.

History and philosophy of the seventeenth-century mathematization of nature; HPS, but the object is not contemporary research practice as the rubric requires.

The book examines the mathematization of nature in early modern science, not contemporary research practice.

History of philosophy of the 17th-century mathematization of nature; HPS counts as T2 only when object is contemporary research practice.

Practitioner article on how technology entrepreneurs can motivate crowdsourcing participants; the object is business practice, not research.

The work concerns motivating crowdsourcing participants for entrepreneurship, not research itself, and the abstract is incomplete.

Entrepreneurship piece on motivating crowdsourcing participants; not about research practice.

Pure mathematics on the topology of restricted partition posets; the object is a combinatorial structure.

This mathematics paper studies the topology of partition posets, not research itself.

Pure combinatorial topology of restricted partition posets; mathematics domain.

Literary and religious analysis of Vittoria Colonna and Catherine of Siena.

This is a literary and religious analysis of Catherine of Siena and Vittoria Colonna, not research practice.

Literary-historical reading of Vittoria Colonna and Catherine of Siena; humanities domain.

Historical essay on a 1930 Yiddish Montreal travelogue; cultural history, not the research system.

This analyzes a historical Yiddish travelogue and cultural conditions in Montreal, not the research system.

Historical/cultural essay on a 1930 Yiddish travelogue about Montreal Jewish life, not research practice.

Journal spotlight interview profiling an established researcher's training, career path and editorial roles; a contextual career/news piece, not a study of the research workforce.

This is a researcher profile rather than a study of research practice.

Researcher profile interview/spotlight piece, not a study of research practice.

Phase I clinical trial of an oncolytic virus therapy in pediatric brain tumors.

This is a phase I clinical trial of a brain-tumor therapy, not metaresearch.

Phase I clinical trial of oncolytic therapy in pediatric brain tumours.

No abstract; title indicates a Canadian cultural/historical periodization essay, with nothing suggesting research as its object.

This book chapter concerns Canadian intellectual history, not the Canadian research system.

Canadian cultural/historical periodization chapter; missing abstract but title is not about research practice.

GPU cluster job scheduling algorithm for deep learning workloads; a computer systems contribution, not a study of research.

The work studies GPU job scheduling for machine-learning workloads, not research as a system or practice.

Systems paper on GPU-cluster job scheduling for deep learning workloads, not study of research practice.

Electrochemistry study of a rechargeable metal-hydrogen peroxide battery.

The study develops a rechargeable battery technology rather than examining research.

Battery electrochemistry proposal for metal–hydrogen peroxide systems; domain energy materials.

Behavioural ecology study linking anthropogenic foraging to problem solving in seabirds.

This ecological study examines seabird foraging and problem-solving, not research.

Seabird behavioural ecology; title unambiguous domain science despite missing abstract.

Container record of conference presentation abstracts in physical anthropology; a collection of domain research reports, not a study of research.

It is a collection of conference presentation abstracts, relevant as contextual research output but not for the analytic corpus.

Conference abstracts container/journal blurb; not a study of research practice.

Bio-bibliographical notices front matter with no abstract; journal contributor notes, not a study.

The title indicates biobibliographical notices but provides too little information to establish a research object.

Bio-bibliographical notices with no abstract; title indicates contributor notes rather than study of research.

Plant biology study of a wheat amino acid transporter gene under nitrogen conditions.

It studies a plant transporter gene and nitrogen-related growth, not research itself.

Wheat amino-acid transporter gene under nitrogen regimes; plant science.

Trial of a consumer sleep product; the object is the product's health effects.

It reports a small clinical intervention study of a sleep product.

Consumer sleep-product biofeedback trial is domain product evaluation, not research methods.

Federated learning method for placing mobile EV charging stations; an engineering optimization question.

The study proposes a federated-learning method for electric-vehicle charging placement.

Federated-learning placement of mobile EV charging stations is engineering optimization, not study of research.

Conference poster reporting first results of a phase II AML treatment study; a clinical trial report.

It reports a leukemia treatment study rather than studying research practice.

AML clinical trial poster of a drug study; domain oncology trial, not research-on-research.

Matched cohort analysis of drug safety during thrombectomy; clinical question.

This cohort analysis evaluates a stroke treatment, not research practice.

Clinical stroke cohort on eptifibatide during thrombectomy.

Astronomy survey paper on the atomic gas census of RESOLVE galaxies.

It analyzes galaxy gas reservoirs and environments, not research itself.

Astronomy census of galaxy HI gas and environment; observational astrophysics.

Book chapter on neurotoxic consequences of antiretroviral therapy; a clinical pharmacology topic.

The chapter concerns neurotoxic effects of antiretroviral therapies, not research itself.

Title indicates clinical/neurotoxic domain content on antiretroviral therapies; no abstract.

Population genetics of smelt colonization; evolutionary biology.

This investigates fish evolution and population structure, not research practice.

Fish population genetics and phenotype evolution of smelt; domain biology.

Book front matter with no content; nothing to indicate the volume studies research itself.

Frontmatter is not a study of research itself.

Book frontmatter with empty abstract; no scholarly object of study to classify as metaresearch.

Clinical editorial on fungal infection and lung allograft dysfunction; the object is patient care.

This editorial concerns fungal infection and transplantation, not research practice.

Clinical editorial on fungal infection and allograft dysfunction, not commentary on research practice.

Computational extraction of color palettes from film trailers; a media analysis question.

The work uses computational methods to analyze color palettes in films.

Computational colour-palette analysis of film trailers is media/CS application, not metaresearch.

Clinical cohort study of carotid artery stiffness, small-vessel disease and cognition.

It examines carotid stiffness and dementia outcomes in patients, not research practice.

Clinical cohort study linking carotid stiffness to cognition and dementia, not research practice.

Evaluation of experimental models for inducing intestinal barrier dysfunction in cows; bench/animal model development, not metaresearch.

The experiment evaluates models of intestinal dysfunction in cows, not research itself.

Dairy-cow experimental models of intestinal barrier dysfunction; animal science.

No abstract; experimental and numerical study of heat exchanger micro-grooving; thermal engineering.

The study tests a heat-transfer modification for tube heat exchangers.

Heat-exchanger surface engineering for heat transfer; mechanical engineering (no abstract).