Web documents collected from mainly .jp domain. Text processing such as indexing must be done on the machines in the Lab. A participant will conduct one or more of the tasks or subtasks below. System extracts five answers from the documents in some order. System is required to return support information for each answer of the questions.
System extracts only one answer from the documents.
Support information is required. The related questions are given for the 30 of questions of Task 2. Given a set of texts, the participants produce summaries of it in plain text format. The information which was used to produce the document set, such as queries, as well as summarization lengthes are given to the participants. Survey retrieval is similar to the traditional Ad-hoc retrieval for scientific documents or newspapers, where the system performs searching using newly provided topics for a static document set.