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Locality Aware Temporal FMs for Crime Prediction
KTH, Skolan för elektroteknik och datavetenskap (EECS), Datavetenskap, Programvaruteknik och datorsystem, SCS.ORCID-id: 0000-0002-8970-8173
Department of Computer Science, Information Technology University of the Punjab, Lahore, Pakistan.
Department of Computer Science, Information Technology University of the Punjab, Lahore, Pakistan.
Department of Computer Science, Information Technology University of the Punjab, Lahore, Pakistan.
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2022 (Engelska)Ingår i: International Conference on Information and Knowledge Management, Proceedings, Association for Computing Machinery (ACM) , 2022, s. 4324-4328Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

Crime forecasting techniques can play a leading role in hindering crime occurrences, especially in areas under possible threat. In this paper, we propose Locality Aware Temporal Factorization Machines (LTFMs) for crime prediction. Its locality representation module deploys a spatial encoder to estimate the regional dependencies using Graph Convolutional Networks (GCNs). Then, the Point of Interest (POI) encoder computes the weighted attentive aggregation of location, crime, and POI latent representations. The dynamic crime representation module utilizes the transformer-based positional encodings to capture the dependencies among space, time, and crime categories. The encodings learnt from locality representation and crime category encoders, are projected into a factorization machine-based architecture via a shared feed-forward network. An extensive comparison with state-of-art techniques, using Chicago and New York's criminal records, shows the significance of LTFMs. 

Ort, förlag, år, upplaga, sidor
Association for Computing Machinery (ACM) , 2022. s. 4324-4328
Nyckelord [en]
crime forecasting, deep factorization machines, graph convolutional networks, multi-head transformers, point of interest, Convolution, Crime, Encoding (symbols), Factorization, Network coding, Convolutional networks, Deep factorization machine, Encodings, Factorization machines, Forecasting techniques, Graph convolutional network, Locality aware, Multi-head transformer, Forecasting
Nationell ämneskategori
Datavetenskap (datalogi)
Identifikatorer
URN: urn:nbn:se:kth:diva-328832DOI: 10.1145/3511808.3557657ISI: 001074639604071Scopus ID: 2-s2.0-85140826429OAI: oai:DiVA.org:kth-328832DiVA, id: diva2:1766545
Konferens
31st ACM International Conference on Information and Knowledge Management, CIKM 2022, AtlantaGA, USA, 17 - 21 October 2022
Anmärkning

Part of ISBN 978-145039236-5

QC 20231115

Tillgänglig från: 2023-06-13 Skapad: 2023-06-13 Senast uppdaterad: 2023-11-15Bibliografiskt granskad

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Mansha, Sameen

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Totalt: 120 träffar
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