Many KM initiatives rely on IT as an important enabler. A KM system is an ITbased
system to support and enhance the organizational process of knowledge capture,
storage/retrieval, and application [3]. Although an overemphasis on IT at the
expense of organizational factors may lead to failure [19], KM systems do play a
supporting role in the success of KM in organizations. KM System Quality in our
model is a measure of how well the KM systems support and enhance KM-related
activities. In contrast to some prior studies that have operationalized IS Quality by a
simplified measure called Ease of Use (and measured it by asking, “Is the system easy
to use?” and “Is it user-friendly?”) [27, 71], our measure of KM System Quality captures
multiple dimensions of the quality of a KM system. If the use of KM systems is
volitional (the most likely scenario), the Perceived Usefulness of Knowledge Sharing
is likely to depend on the quality of knowledge content available to knowledge workers
as well as the quality of a KM system. Knowledge workers may find value in
sharing and using knowledge (Perceived Usefulness of Knowledge Sharing) if the
quality of knowledge (Knowledge Content Quality) is adequate and the KM system
reduces the extra effort required to share (find or contribute) and use knowledge.
Hypothesis 2: Higher level of KM System Quality leads to higher level of P