Judul: Pembentukan Passage dalam Question Answering System untuk Dokumen Bahasa Indonesia
Abstrak: Indonesia. Supervised by AHMAD RIDHA. Passages are used by question answering system to get pieces of relevant documents. This research compared various aspects of passages: overlapping and non-overlapping passages, sentencebased and word-based passages, and passage formation time (before and after indexing). Types of question in this research are siapa (who), di mana (where), kapan (when), and berapa (how many). For indexing and retrieval process, we used BM25 and proximity algorithms from Sphinx. Top documents or passages were re-weighted using rules to get passages containing answers candidate. Answer extraction was performed using the smallest distance between query and candidate answers. Evaluation was conducted using mean reciprocal rank and answer accuracy (four criteria: Right, Unsupported, Wrong, and Null). The best result was obtained using BM25 for two kinds of passage, namely, 20 overlapping words with 80% accuracy and 30 overlapping words with 77.5% accuracy, where both considered one tag as one word and were formed after indexing. The best result for proximity were obtained three kinds of passages, namely, 2 overlapping sentences with 77.5% accuracy, 2 non-overlapping sentences with 77.5% accuracy, and 20 overlapping words with 77.5% accuracy, they also considered one tag as one word and were formed after indexing. The average performance based on mean reciprocal rank for passage by using BM25 and Proximity are 75.1% and 76.1%, respectively. The passages formed after indexing have better accuracy which indicates retrieving relevant documents is important for question answering system.
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Judul: Implementation of Question Answering System for Document in Bahasa Indonesia with List Question
Abstrak: In the last few years, many studies of Question Answering System (QAS) have been conducted by a number of research groups around the world. Lately, a question is not only presented in the form of factoid questions, but also as a list questions where a question requires more than a single-entity of answer. However, recent development on QAS can only accommodate factoid questions which only require a single-entity's answer. To address this issue, the purpose of this research is to implement QAS for list questions. In order to obtain candidate of answers, heuristic weighting is performed in the passage which is contained on the top n documents. One thousand documents and 40 queries are used in the experiment. The best results of experiment show correctness of 26%, 39%, 36.33% and 70 % for "who", "how many/much", "where" and "when" list questions, respectively.
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Judul: Koksidiosis Pada Usus Halus Kelinci Yang Disebabkan Oleh Eimeria magna
Abstrak: Penyakit yang disebabkan oleh infeksi protozoa dari genus Eimeria pada usus halus kelinci, disebut kok- sidiosis usus (Intestinal Coccidiosis). Salah satu jenis coccidia penyebabnya adalah E. magna. E. magna ini adalah parasit intraseluler, yang menyerang usus halus kelinci terutama bagian jejunum dan ileum. Dalam siklus hidupnya E. magna mengalami tiga tahap perkembangan, yaitu: 1. Skizogoni. Pada tahap ini terjadi pembentukan skizon, ukurannya berkisar antara 10-20 น. 2. Gametogoni. Pada tahap ini terjadi perkembangan seksual, terjadi lima hari setelah infeksi. 3. Sporogoni. Pada tahap ini terjadi pembentukan spora, bentuk ini dapat menginfeksi kelinci lainnya. Ookista yang bersporulasi dapat menginfeksi kelinci dalam suatu peternakan. Ookista ini berbentuk oval kadang kadang elips, panjangnya 28-42 u dan lebarnya 20-26 u. Apabila kelinci terinfeksi oleh ookista ini, dapat menurunkan berat badan terus menerus dan akhirnya menimbulkan kematian. Kelinci yang berumur muda lebih sering terserang penyakit ini dari pada kelinci dewasa, sehingga sering menyebabkan kerugian pada peternak. Gejala klinis yang terlihat tergantung dari banyaknya jumlah ookista yang termakan oleh kelinci. Kelinci muda sering terinfeksi oleh sejumlah besar ookista yang dapat menyebabkan kematian mendadak tanpa memperlihatkan gejala klinis terlebih dahulu. Pada infeksi akut terlihat gejala-gejala penurunan berat badan, dehidrasi, banyak minum, diare yang hebat dan sering menimbulkan kematian. ...
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