Judul: Komunitas Semut Pada Bunga Jantan Kelapa Sawit di Kebun Cimulang PTPN VIII Bogor, Jawa Barat.
Abstrak: Ants are the most successful eusocial insect in the world, since highly adapted to the environment. The objective of this research was to study ants community on male flower of oil palm. Observation of ants were done by using fix sample method during 10 minutes in 3 time periods, which is in the morning (08. 00 - 10.00 am), noon (10. 00 - 12. 00 am), and evening (13. 00 - 15. 00 pm). The observations of ants were conducted during four days in each month, i.e. April, May, June 2012. During observation we collected ant samples to identification process. Weather elements, i.e. air temperature, humidity, and light intensity were measured. Results showed that ant community on male flower of oil palm consist of nine genera belong to four subfamilies, i.e. Leptanilla (subfamily Leptanillinae), Oecophylla, Polyrhachis, Plagiolepis, Camponotus (subfamily Formicinae), Odontoponera, Platyhyrea, Pachycondyla (subfamily Ponerinae), and Myrmica (subfamily Myrmicinae). Leptanilla was a dominant ant species on male flower of oils palm. Diversity of ant community on male flower of oils palm was lower (H ’=0,99) and medium evennes (E=0,45).
Keyword: 

Judul: Komunitas Serangga Indigenous pada Bunga Jantan Kelapa Sawit (Elaeis guineensis Jacq.) di Kebun PTPN VIII Cimulang Bogor.
Abstrak: Oil palm is the biggest source of natural oil in the world. Oil palm is monoecious plant, but the male and female flower of the plant located at a different cluster. This study addressed to study indigenous insect community on male flower at oil palm. The insect were observed by fixed sample method on May, June 2011, January, November, and December 2012. Relationship between environment factors and insect community were analyzed by Pearson’s correlation with Sigmaplot software version 10.0. From the observation we found 5 order and 10 genera, such as Apis, Odontomachus, Camponotus, Anoplolepis, Braconid, Scaptodrosophila, Curculionid, and Dermaptera (sp1, 2, and 3). Bee, Apis cerana visited male flower of oil palm and the species role in pollination. The other, we found predatory insects, such as, Odontomachus, Anoplolepis, and Dermaptera. Result showed that the most dominant insect was Scaptodrosophila sp. The insect population significantly affected by environmental temperature.
Keyword: 

Judul: Query Expansion based on Bilingual Dictionary Using Conditional Probability
Abstrak: Query expansion is a technique that can be used to bridge vocabulary gaps between queries and documents in the collection. With query expansion, user will be helped to formulate queries well so that user will optimize the search result. In this study, the expansion term was resulted from the translation of bilingual dictionary. Subsequently, several terms of expansion were elected based on the closeness of its relationship with the original query. This research showed that conditional probability can be used to select expansion term in bilingual translation method query expansion. The result of 1000 documents was more than 97% relevan document can be retrieved by this system. The more expansion term used, the larger number relevan document was retrieved.
Keyword: