| Naslov: | Constructing a dataset to support agent-based modeling of online interactions : users, topics, and interaction networks |
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| Avtorji: | ID Sittar, Abdul, Institut "Jožef Stefan" (Avtor)
ID Češnovar, Miha (Avtor)
ID Guček, Alenka, Institut "Jožef Stefan" (Avtor)
ID Grobelnik, Marko, Institut "Jožef Stefan" (Avtor) |
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| Datoteke: |  URL - Izvorni URL, za dostop obiščite https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11457911
 PDF - Predstavitvena datoteka, prenos (4,16 MB)
MD5: 72C35B7A44D9BE5FA7A0AB9300664A3A
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| Jezik: | Angleški jezik |
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| Tipologija: | 1.01 - Izvirni znanstveni članek |
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| Organizacija: |  IJS - Institut Jožef Stefan
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| Povzetek: | Agent-based modeling (ABM) provides a powerful framework for exploring how individual behaviors and interactions give rise to collective social dynamics. However, most ABMs rely on handcrafted or parameterized agent rules that are not empirically grounded, thereby limiting their realism and validation against observed data. To address this gap, we constructed a large-scale, empirically grounded dataset from Reddit to support the development and evaluation of agent-based social simulations. The dataset includes 33 technology-focused, 14 climate-focused, and 7 COVID-related aggregated agents, encompassing around one million posts and comments. Using publicly available posts and comments, we define agent categories based on content and interaction patterns, derive inter-agent relationships from temporal commenting behaviors, and build a directed, weighted network that reflects empirically observed user connections. The resulting dataset enables researchers to calibrate and benchmark agent behavior, network structure, and information diffusion processes against real social dynamics. Our quantitative analysis reveals clear topic-dependent differences in how users interact. Climate discussions show dense, highly connected networks with sustained engagement, COVID-related interactions are sparse and mostly one-directional, and technology discussions are organized around a small number of central hubs. Manual qualitative analysis further shows that agent interactions follow realistic patterns of timing, similarity between users, and sentiment change. |
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| Ključne besede: | agent-based modeling, online social interactions, information diffusion, network structure analysis, homophily, reddit discussion networks |
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| Status publikacije: | Objavljeno |
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| Verzija publikacije: | Objavljena publikacija |
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| Poslano v recenzijo: | 15.01.2026 |
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| Datum sprejetja članka: | 26.03.2026 |
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| Datum objave: | 09.04.2026 |
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| Založnik: | IEEE |
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| Leto izida: | 2026 |
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| Št. strani: | str. 52890-52810 |
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| Številčenje: | Vol. 14 |
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| Izvor: | ZDA |
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| PID: | 20.500.12556/DiRROS-29228  |
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| UDK: | 004 |
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| ISSN pri članku: | 2169-3536 |
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| DOI: | 10.1109/ACCESS.2026.3679263 |
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| COBISS.SI-ID: | 276633091 |
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| Avtorske pravice: | © 2026 The Authors. |
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| Opomba: | Nasl. z nasl. zaslona;
Soavtorji: Miha Češnovar, Alenka Guček, Marko Grobelnik;
Opis vira z dne 28. 4. 2026;
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| Datum objave v DiRROS: | 28.04.2026 |
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| Število ogledov: | 76 |
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| Število prenosov: | 36 |
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| Metapodatki: |    |
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