In the Conversation Web Service, the SearchMode simple type enumerates the search modes available when performing a text search.
You can specify a specific type of search mode as a value of the Mode attribute in the TextSearchFilter type of your request, and in the ValueSearchConfig type.
<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
<soap:Body>
<Request xmlns="http://www.endeca.com/MDEX/conversation/3/0">
<State>
<TextSearchFilter Key="MySearchInterface" RelevanceRankingStrategy="numfields"
Mode="AllPartial" EnableSnippeting="false" Language="en">
aluminum
</TextSearchFilter>
</State>
<RecordListConfig Id="RecordList" MaxPages="30">
<Column>ProductCategory</Column>
<RecordsPerPage>5</RecordsPerPage>
</RecordListConfig>
</Request>
</soap:Body>
</soap:Envelope>