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1. Introduction
The decision support system (DSS) is an implementation of the knowledge application system technology that has been widely applied in various fields (Becerra-Fernandez and Sabherwal, 2015). DSS in the field of risk assessment or risk assessment has been carried out to make decisions about the lowest risk option. Several previous studies related to DSS in the field of risk assessment, such as detection of animal/biological products, especially fish and other fishery products (Copp et al., 2016, 2021; Dowling et al., 2016; Kumschick and Richardson, 2013; Marcot et al., 2019; Trump et al., 2018).
This research will focus on the knowledge management system (KMS) of quarantine measures for fish and other fishery products (QMFFP). Risk assessment for animal quarantine measures, especially fish and fishery commodities, is very important for a country (Sampaio et al., 2015). This issue is crucial because it can support service performance in handling the import of fishery commodities as manifested in national policies and strategies. However, QMFFP in Indonesia is still inadequate. This condition is because fish quarantine actions are still carried out conventionally based on personal knowledge of fish quarantine officers, routines and instructions from the leadership or regulatory textual information. So, services for importing fish and other fishery products (FFP) cannot be carried out quickly and precisely. This conventional condition is made worse because of the rotation of fish quarantine officers. The level of knowledge of each fish quarantine officer is different, so that some officers experience difficulties in making quick and precise fish quarantine decisions by regulations. This condition results in difficulties in law enforcement for FFP importation violations. All these problems are the accumulation of the main problems. The main problems are as follows: first, the difficulty of identifying critical knowledge related to QMFFP in the form of tacit (fish quarantine officers) and explicit (QMFFP regulations). Second, the difficulty of finding new knowledge by utilizing historical FFP importation data. Third, the challenge of finding the main factors affecting quarantine for fish and other fishery products (QFFP) and the hidden relationships between them. Fourth, it is unable to determine priorities for knowledge-based system needs, so it cannot apply and utilize knowledge related to QMFFP. Fifth, there has been no effort to preserve...