|
|

楼主 |
发表于 2008-3-18 13:10:54
|
显示全部楼层
你好,这是我现在正在写着的程序,以上问题就在其中,请多指教
! p ^3 u1 H. a5 c8 r& l0 A' R6 bglobals[* s* l, a/ H* c/ ^9 J
xmax6 n5 r, w) C1 o% _3 `" Q
ymax
# k* g4 e5 U( `/ x( d+ e% @4 {global-reputation-list
" T0 |2 I0 k+ x" a+ d( t( f7 f$ }0 l( e% z5 a5 K& w; G4 I
;;每一个turtle的全局声誉都存在此LIST中2 @$ Q- e1 Z f7 p! s
credibility-list
`) g/ ^5 v" h. ?' w+ g' H* S: B;;每一个turtle的评价可信度
9 U/ x0 y+ }/ h6 A. Y8 fhonest-service4 `; b( r2 ~. v& i* S% D% v+ @" z
unhonest-service+ B& i/ U3 ?7 S+ K( m1 w( `
oscillation$ i7 y6 d. Z0 V+ w3 X0 I5 t* V
rand-dynamic7 }0 V& }( d$ Q4 e. E
]
; m( x) n Y1 A! \' q0 \' e. ~3 u, n( ~% d7 b
turtles-own[5 t# R5 P8 N7 `0 |* f$ x- q+ {
trade-record-all
1 w8 A1 a0 o! d% B: w;;a list of lists,由trade-record-one组成! g* C3 W9 D) |* U1 [
trade-record-one! |) m1 @" Z: \9 b- H
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录6 h& \$ J9 n* K8 w' [) `2 y b
* M l& m( [ q4 U8 U
;;[对方turtle的编号,交易总次数,交易总金额,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]]* I2 s; M1 E2 D, J3 \
trade-record-current;;list,trade-record-one中的这个list,作为暂存用,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]( h, `/ A6 e. G S9 ~6 q( c) D/ n
credibility-receive ;;list,他每个turtle还需要有一个存储其他turtle对其评价质量进行评价的list. |' ~$ Z! v" F/ ?( g2 q, q
neighbor-total1 h! z5 [- ~7 [8 g) ]9 \( ^5 G
;;记录该turtle的邻居节点的数目 B4 w4 T1 c0 a. h/ T; {
trade-time
+ D# I5 d2 f$ s( z;;当前发生交易的turtle的交易时间; { b0 T0 _+ b+ O$ Y
appraise-give: g( S5 Q- `9 `& {3 P( s, J
;;当前发生交易时给出的评价
; }, T! X" t. q, |appraise-receive
2 ], v% `( x1 _7 k2 z;;当前发生交易时收到的评价& T$ c& h- y' D
appraise-time
: W8 l( s3 i+ ~! P [1 ~;;当前发生交易时的评价时间6 [! V" g: S! o
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
8 k1 w: g- y7 X1 wtrade-times-total+ y: P" p9 I5 M$ \
;;与当前turtle的交易总次数2 f- K) n+ h" d6 M9 m: b7 ]- p& e7 S
trade-money-total9 C" S$ ?8 a! I7 A7 y m2 Z
;;与当前turtle的交易总金额% k2 Y: ~( @% z# r2 D- ]
local-reputation1 u- t) O9 j9 J/ p, Y# K
global-reputation4 k, H5 X6 m& [3 T
credibility
. n; e7 H" S1 i6 r( J2 ]. Z;;评价可信度,每次交易后都需要更新' C1 o8 f2 ]: i# L* c
credibility-all1 N% y7 q7 n0 Q5 T, }) l
;;a list of lists,由credibility-one组成。[[1对j的评价质量的评价][2对j的评价质量的评价]……[i对j的评价质量的评价]……],其中一共有people项,根据
* S- u8 p# }: o. i8 @# Z6 D' f+ g: A4 r
;;turtle的编号对号入座,对于其自身的编号,在计算用到的时候再进行剔减,初始值均为0.59 e8 k3 N" s6 y- T, e
credibility-one' n9 Z, p! O! ]/ K" s
;;a list [i对j给1的评价的质量评价,i对j给2的评价的质量评价……],其中一共有people项% p) ]! d. d P, z- S; ~2 s
global-proportion# V# m: \+ |- \6 U
customer
# B/ |6 \. ]0 e( Tcustomer-no
* L! N8 a" k5 n1 n" K8 f/ Atrust-ok' K Z* ^, d2 F( U# w J a
trade-record-one-len;;trade-record-one的长度
* `0 |, P" ?* B, I]
! B4 [/ Y3 m6 |- ~$ L- i) m4 h) s; u- q, s0 }; W# u2 p, ]! X
;;setup procedure6 I1 k' k+ i6 d: n
c. t" O4 G! p9 [
to setup
3 o' F! K3 m$ r' l2 `( ^7 {. H A
ca% Q5 u- h# U8 ~- D) i( N& K
9 p! O, K# ~- r" x8 a
initialize-settings, R' p; x+ J+ y; d: u6 d( B
0 j) J/ D1 Y; ^
crt people [setup-turtles]& Y$ \2 {' w$ K& q% O8 ~0 x$ h% F
3 ~2 P5 E% m: M/ ?9 Mreset-timer" K' t8 r- ?- s% E/ ~4 g
& o, I" f6 x# K7 X$ q- P F7 n
poll-class3 f F5 z- r' B }- Z5 k4 b5 @
O8 |: q, d; T. B5 \: X
setup-plots
( g; `4 z- b2 x, [) ~3 R, a, s" S1 n# x/ n9 i0 C
do-plots
1 {' ~/ [* x; Jend
/ y" E, U. C) y% T5 g
) n4 `" B& ~. fto initialize-settings4 M+ o j0 f( ^) L1 C
/ a+ X; q- ?1 ~5 h
set global-reputation-list []0 G8 z1 N8 D: H( R/ c, `
+ W/ u' a }) J0 L$ z! B, A, Q+ gset credibility-list n-values people [0.5]
p7 U6 v9 E+ W( y8 {) U; _+ v; y
$ j. J( |9 y( F7 pset honest-service 0* \; ] T" ^' f3 M1 }* T
0 h7 T# l; X# y
set unhonest-service 07 B1 P$ P2 Y2 g' z5 q, P3 z: E
- `, ~. n" D3 v1 zset oscillation 0 Q, v# {% Z' y o2 L, G& G; i( a
) f; _6 K5 V' x/ p; m. @; U+ ^! bset rand-dynamic 0+ g" C; n. |( h2 j5 X
end$ A6 y4 Q5 q7 B8 E7 M, L b
! h0 h1 M; t5 ^$ s- W1 R$ @to setup-turtles
6 ~: v1 ?, I: nset shape "person"# N: Z4 Z4 s9 j5 ~' S. G1 _
setxy random-xcor random-ycor
) M- z0 n; b; z- Gset trade-record-one []5 y) C4 G7 V5 a0 W7 w9 z& f1 _/ R
2 F( J' b5 F( k0 _! iset trade-record-all n-values people [(list (? + 1) 0 0)] # w2 h. `" L- F. S1 h
?/ v& b7 i# \0 o# Z* @3 Y: |
set trade-record-current []
0 Q2 u, [! r1 O" Mset credibility-receive []! s f8 D: t# C4 u- r
set local-reputation 0.58 ?. p& |8 z& |% K4 l4 J
set neighbor-total 0, ?" f# c6 [% [* C) S4 D
set trade-times-total 0
u* K/ _4 W9 e8 X" E# Oset trade-money-total 0
. |: N* I) }# Y, E/ N3 `+ L& ?set customer nobody4 W- e9 w4 J0 P/ A
set credibility-all n-values people [creat-credibility]3 X' P" W2 f% B9 P9 J6 I
set credibility n-values people [-1]
/ K- t( x$ p1 k( p- b8 i: C) y5 Jget-color
* u3 H) q/ x# M3 _7 r7 D, v5 D) L8 Q3 e6 z: b$ ~
end: z# C# I, D9 Z5 S; B, s
. U X# a" O/ l# a: Lto-report creat-credibility
7 E5 Y. |# O' x4 N; R- r* [ T7 areport n-values people [0.5]
8 i) D+ K) \: S/ ?, ~end3 A6 A1 ]9 g% {& e4 z. | u9 v" t; O
* x3 s, Z4 A( p ^to setup-plots* p8 a; t3 V# a# B' R* h
- J& X) n* V6 n% b6 O& _& oset xmax 30" m% Y) j% Y+ R
% O5 D! R# |0 c l
set ymax 1.0
. x. @& F3 L- H
$ K8 {5 H+ H) j4 b. @+ x3 xclear-all-plots+ t* o. P+ ^5 D; X! i/ K9 G
2 Y9 `9 G% o8 H0 ]( J6 osetup-plot1) B% {3 O! i3 b2 q$ W* W
- Q0 `$ X, I+ o+ M3 Q3 k% z# |setup-plot2
( m0 k9 V _% t* M3 E6 g- U
0 `, z7 G) _! A8 G2 Xsetup-plot3
3 l' m5 K8 N& c: p. A7 Wend0 `( U9 l- I8 ~7 z1 i
1 R: l* w+ Q& g( p6 L;;run time procedures' i4 B8 d+ b' v- n' X a' R
! M4 d! L$ o; }* o# lto go
! R1 t- R- T6 V( R+ G# d
( K' m Y' Z& K7 \ask turtles [do-business], K! X$ z& P& h! y! u. H# r1 B
end3 r) Z6 V: i' P
6 |! I( h1 g6 N0 `
to do-business x, j% D% K6 W: O% I" o( F# q
/ T) n# x* ?" ]8 V
/ Y# D w' {& V1 ]; g, w) mrt random 3601 F" M0 n, z: _9 V# K* o" _, A
: h) @+ ]! v8 C1 p |
fd 1
4 L. e* e: G. _& s
$ C) M" u* v P9 c2 `ifelse(other turtles-here != nobody)[$ c2 L& f; m8 u8 w+ t' p
8 o `5 M# w# X6 pset customer one-of other turtles-here
- {' z- q6 }* q. O: ~' D9 q% c' s7 m9 k5 N2 E
;; set [customer] of customer myself
. Y5 [: W! T: i
+ `7 @4 T- k8 M" Jset [trade-record-one] of self item (([who] of customer) - 1)5 x9 e" f3 u% X, o/ i: U
[trade-record-all]of self% z3 B* V. H l+ [7 P
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self. D2 T O4 P0 Q( G
% E) @: o3 q2 q5 ^3 T! i/ X
set [trade-record-one] of customer item (([who] of self) - 1)# S. M9 E7 s* S$ s0 w* X1 c2 `
[trade-record-all]of customer
$ b( ~+ ]5 Y& Q9 j$ I6 r j. o. m1 H- l" L t
set [trade-record-one-len] of self length [trade-record-one] of self
+ O ?8 Z5 ]. P3 `0 I- {0 q# l# }# p: f
set trade-record-current( list (timer) (random money-upper-limit))2 V2 H- d' f, v. j; I. d# E' {
+ @: x+ p8 @ ?* }: N0 G8 _! Cask self [do-trust]
0 W+ E( i& q/ B& U6 Z+ S;;先求i对j的信任度
+ \$ U2 |, i1 h$ s% f4 D/ H& C: H0 w- ?* e' j) }4 T C- `( m
if ([trust-ok] of self)
- J8 [% {% c% z1 g- Z' j$ n# v;;根据i对j的信任度来决定是否与j进行交易[
* I1 F1 V1 M! m$ v! ]ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself9 j2 j, j5 [5 H# G7 r
- G" ?$ ?& n+ U' m* q
[
1 i, R3 t6 w0 v U! j% ^4 P# I. z6 [2 }" G( h& M+ F6 H
do-trade: [" ]) u) ^0 ?6 B9 i3 p7 G
3 {/ W z+ y% r4 J! K& T; }
update-credibility-ijl
$ ?2 d$ o9 t1 G# @1 c5 B1 i/ l3 G# w0 S
update-credibility-list
Y' [: d% k6 O9 \( Q1 a n1 u6 {; J1 S( W3 z8 y) Q0 G) a/ k
3 P# Z- V0 x* C) h# Cupdate-global-reputation-list& I1 p; x7 T J5 u7 w
& x- N/ |; C% ~4 G3 `poll-class
0 z* [) w8 a% O4 X+ i; \0 I0 Q$ T- c' E* j
get-color2 Q% S9 j9 M0 C* X5 q; |
" x; S+ a# E( M7 I* s]]. k, D6 `. d% A W6 {; h, a) d
2 }" W: S1 ~# K6 h/ @ q;;如果所得的信任度满足条件,则进行交易
( [# q; m$ }: F' R+ S5 v
) ]5 @8 G; A) U, |, w7 S% J; p( t[1 \% J" O0 ?( a2 H a4 J& \, k
/ w# L' U; Z4 D |rt random 360. M4 a/ U$ y9 {
+ L$ H' z- |! h, F( [8 p5 x
fd 16 e1 s3 r9 J% e1 ^
' ~, e# {: L* S]
; C( Z, [- s5 o% |: t
- V8 w0 Z; T, oend
. F0 L. v4 g- U+ D* b8 ?# j( U% H% H3 o' [- V; b$ W
to do-trust
8 h0 G5 M$ I P2 Gset trust-ok False
, G. K2 U0 b1 s" F5 N z+ `/ Z' B `5 b8 Z
; ^" P2 }% ~9 \( L
let max-trade-times 04 @) B) j7 d" N1 N. A
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]; R0 F' F7 y5 Y9 d. f# W
let max-trade-money 0+ I% v$ d* q2 k& K* Z. L: T
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
5 t3 C& v/ _- S1 e1 ]. Z1 N% _/ N. Plet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money)). ~3 ]+ j% r6 v- @ q
/ P# Q3 X+ R0 |4 }0 E5 t" C
: k* G3 w g1 D/ i5 }! a* E0 H. T
get-global-proportion
( Z; V) B7 z2 A \% ]6 Nlet trust-value
. O1 M- W1 _3 ]7 e: I7 ]local-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list); A+ G9 F# B# q, l/ n
if(trust-value > trade-trust-value)
6 ]5 l, k s) F& |( R[set trust-ok true]
( D' c4 g9 Y- S. [3 M( Zend8 `0 Z' N c' l' R* c
" o8 R# |' t+ `$ c$ p: r5 a% d6 {
to get-global-proportion
) ]" g( J- K/ \9 S, |ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
. O5 u" V% ]2 W8 q[set global-proportion 0], z' ?/ E; D9 O8 ]
[let i 0
7 H* P0 n3 l5 O4 ?let sum-money 00 F6 K1 h i( }. @# c/ f0 \$ o
while[ i < people]
0 W! M% s p/ k* q/ v' N[
( e) ~! t& {2 B! A$ {8 T R. bif( length (item i
) D. z/ k7 v: R$ q q[trade-record-all] of customer) > 3 )
% ]# p. i. H! r' ^[
, d- K& z) p [set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
_4 l2 J! ]3 j' V8 }- u9 |: k]
, z& X1 k: c) g4 Y* []
2 |, o, [' y: I6 X6 glet j 0$ U; R. q' m% \2 Z
let note 0
2 A: U* F) E! E+ }# J, ?, cwhile[ j < people]
) Z3 ~* i% d: [# G' N" P8 V[* D$ q9 ^+ P* @$ V
if( length (item i3 F6 g2 E. Z. n, h2 p
[trade-record-all] of customer) > 3 )6 x5 G' R& W# {+ I. ]
[
- n. _' y" F- m4 J' c* ]ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
' p5 Z7 v0 j* ~: B S2 n[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]/ M) n2 H4 N* _: l% h
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]2 n7 J% t8 _: k/ R
]0 A! r+ l" W$ e% y7 N) z, a1 f( h
]+ l% H% V7 t- g- x/ U& V
set global-proportion note0 E8 _/ e/ m4 v$ b0 u
]
3 i h7 N& M# I* ?end
9 n2 E+ a& ~; ]6 Q4 \
C% a5 o. U, V8 w5 d& H0 t5 H% H( [* Gto do-trade
; V2 E3 l, A, @2 s0 k;;这个过程实际上是给双方作出评价的过程
' i0 @2 {* f) u$ f; D Z y% qset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价9 x/ }2 I$ r( j* |& f- y6 }* ]
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
. u+ G! G( H, x6 ]- t1 Jset trade-record-current lput(timer) trade-record-current
: G2 u0 {! G' K;;评价时间
% f0 F; a# E: jask myself [8 t/ C3 ~! @$ M+ O
update-local-reputation& Y# Y& k4 J+ I9 y" v& X. J' O, c
set trade-record-current lput([local-reputation] of myself) trade-record-current
& b W, c; [1 N+ z8 e* O$ z]
6 P0 x7 E- j4 g3 B! n. r- @$ Oset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
, B- f* D: O) L4 d;;将此次交易的记录加入到trade-record-one中" B7 X1 O) |% N* e6 L! f$ S( i
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself). a* L! z# r5 \( Q1 p
let note (item 2 trade-record-current )
; I. ?# c1 C9 j$ k! yset trade-record-current
7 K) B& T7 k, F( S; c* k+ B- U(replace-item 2 trade-record-current (item 3 trade-record-current))
& c# M' _6 j0 Y! m2 Eset trade-record-current
. |; C# n+ P0 n! J+ g6 f4 u4 f(replace-item 3 trade-record-current note)% G: w" |& G& E$ O" ?
1 j& P! }6 t, P
3 G' l; w b" Y6 I" g ^ask customer [* _( F# \% U0 V# e2 J
update-local-reputation: v, ]1 X" y S( m
set trade-record-current' f' O/ r1 `6 ~: q! K+ K
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) , ^- t! s# X/ w8 W8 e
]
6 x7 G+ ]0 [1 O t! N( ^7 w- L/ f6 o' h& N7 k9 Z& l0 S% X, h5 v
+ E: S" {1 {# g( Q6 Aset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer& k' _7 @& s- q" t$ `4 C0 h0 b
& ~# t, I5 }$ o! w H1 gset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))% T& B9 e6 P% z$ [' u* x9 f
;;将此次交易的记录加入到customer的trade-record-all中
" Q: ^1 r, l3 B7 L. x) O/ n ^( ?end6 o% `" I- m! h* T8 b3 E6 u
$ Z, v) Z" M9 b: M( s7 t0 Hto update-local-reputation
& w7 T7 w+ M( x6 A lset [trade-record-one-len] of myself length [trade-record-one] of myself0 {* X/ N2 X7 I
$ a; `/ H1 I- K& y6 W* V
' z# @* ?& t6 b% |, w- K6 l5 ^
;;if [trade-record-one-len] of myself > 3
9 u9 Q% L( c" g$ [update-neighbor-total1 Z& `9 E3 v n6 R2 x
;;更新邻居节点的数目,在此进行
/ ^$ J8 Z+ w. J3 w, I; L" Jlet i 3, I H, V9 G' g& B
let sum-time 0! Y( R( K4 l; x G2 ?
while[i < [trade-record-one-len] of myself]5 J% k' ?$ q+ X% e
[+ {$ S% T' K9 p7 H, Y
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )- G7 r/ u; \$ ~' `3 Y% ~; K
set i6 ]! c. J* ~; o4 l+ l* H" r5 \
( i + 1)
! t: [! X# c3 a; T]3 ?1 L% Y b2 Y( t, S+ U* b
let j 3
; ^, t* }5 c( _! [; A8 F2 G6 ^let sum-money 0/ o) M+ e* Z; u9 v4 T! R) `5 I
while[j < [trade-record-one-len] of myself]
& _. \: T$ C# T3 a- R* k[8 J- p t& F& I) X4 F, n, M
set sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
* z1 h T: Q4 R4 o: Mset j
. F8 L8 |3 Z6 N" r: ^& Q( j + 1)( }: O4 [# J: Q7 |' ]/ s
]
& D9 g _% c/ F* D: Clet k 3
4 J1 t* b$ f4 j3 w3 nlet power 0
, T" c5 ?: l8 hlet local 0
# |! v) Z1 C( k* f1 zwhile [k <[trade-record-one-len] of myself]
# }) n- a& {" j. i[4 ^, K/ Y! Y# |2 r0 ]' }2 ^ r
set local (local + (item 0 (item k [trade-record-one] of myself)) * (item 1 (item k [trade-record-one] of myself)) * (item 2 (item k [trade-record-one] of myself)) / sum-time / sum-money) 9 S6 q V0 v; l
set k (k + 1)
* n/ A7 g+ [* \. B5 M]
3 F' U% c) c9 ^# G0 J5 y8 |8 Gset [local-reputation] of myself (local)
" x ^2 E! d+ r( n# D! Z# Qend0 e! h' s' B; `
/ q; w* ?7 d$ w$ Hto update-neighbor-total
( K3 _2 _1 x/ ]& K# ]; Q
; N# R( j1 r; r/ R9 I* Zif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
, u& S- x5 x* G: b; w
7 [1 K: V! }4 o1 c# V, ~& v# ~/ S9 L. \) t; x7 Z
end9 e3 o/ M9 C+ s. @6 i
+ H5 {' C2 T2 A1 b+ d
to update-credibility-ijl 2 o& M R( p; R" o. W
% p# M' X. z7 p$ \;;思路:每一次,当一个turtle发和另一个turtle成功发生交易作出了评价之后,就去搜索本次交易对象的邻居节点,对这些邻居节点的评价质量作出评价。
# L# [% {6 S3 b h- tlet l 0* z/ Y$ E% \, U1 y, J* M; q
while[ l < people ]
8 |7 O* j' X$ Z. `0 V3 W3 q;;对j的邻居节点的trade-record进行扫描,以对j的邻居节点的评价质量进行评价+ S1 a$ ]- z- H2 Q8 d
[1 o* L$ s: F/ X( D$ v+ m7 N
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)1 m- N. K7 w" z4 V& S
if (trade-record-one-j-l-len > 3)
! V# n* h1 R/ Y% v7 y. a[let trade-record-one-j-l item l ([trade-record-all] of customer);;暂存那个评价质量正在被评价的turtle j的与l的trade-record-one
. E+ V* `6 [7 c" `# m; elet i 3
9 X* G Q( e- T, o# b3 f; ylet sum-time 0 O& k- d, C8 L. V3 S5 z4 Q1 l
while[i < trade-record-one-len]
5 r( y7 ~' i8 X$ C+ h( n[
( z i) F$ n0 w( a. Uset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )0 Y* \- S" }: o+ b
set i
7 Y* S, b2 [ X$ N' V/ _( i + 1)2 H& O+ Z' S: f9 R' _3 c# S
]7 q- W) N6 i* ]7 r p/ m
let credibility-i-j-l 06 m" q$ x1 B! b# b
;;i评价(j对jl的评价)
6 t( q8 i& w" G+ K8 Y$ E' `let j 3$ Z) l& \% s" ?; Z" {( w
let k 44 g0 O& D2 ]) A/ c: }
while[j < trade-record-one-len]
4 T6 j" F- z5 {# M0 s" i[
. A- Y# }: T8 D2 c$ v# v c4 n+ ?while [((item 4(item j [trade-record-one] of myself)) - item 4(item k trade-record-one-j-l)) > 0][set k (k + 1)];;首先要寻找在i第k次给l评价的这一时刻,l相对于j的局部声誉' ^: U$ g" L2 C0 E
set credibility-i-j-l ( credibility-i-j-l + (item 4(item j [trade-record-one] of myself)) * (1 - abs ((item 3(item j [trade-record-one] of myself)) - item 5 (item k trade-record-one-j-l) ) )/ sum-time)* l) l+ A/ M6 G. A
set j
. M* l/ `: M3 f+ ?3 ]. B( j + 1)
- c) ^4 p3 d g2 ~] _6 L* s- d. W' t
set [credibility-all] of turtle l (replace-item ([who] of myself - 1)([credibility-all] of turtle l)(replace-item ([who] of customer - 1) (item ([who] of myself - 1) [credibility-all] of turtle l) credibility-i-j-l ))/ L0 N M8 f6 }
0 R, ^% w' ~' F0 W6 M6 t
' E7 q0 ^. g+ j4 d! M- m M& ]let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))7 Y1 ?. H% f; H0 j2 Q
;;及时更新i对l的评价质量的评价/ m ^) k6 G5 _0 q7 n& ^& S( s+ N% E
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
! q+ y5 K* f z! Uset l (l + 1)4 v" u/ O* ]- Z! z
]( ]3 W; {: v. C& ~4 |
end
. K. e2 e V9 O9 T( E' f- d% J5 D( Z, h5 j, h
to update-credibility-list( A" n9 q- i5 E5 N3 E
let i 0
$ C$ M; }6 T$ v& zwhile[i < people] g: s9 g; m. B
[6 H5 @1 M& u6 J
let j 0' q; {/ Q6 ^+ l2 k. f! Y( n( }. t1 p
let note 0
, Q7 @" ?: H$ N: C8 llet k 0
( y3 w7 ?' m" o# d7 ~;;计作出过评价的邻居节点的数目
1 D7 }- P6 K% B$ W. dwhile[j < people]
9 h9 O0 P' F* [' @[
% Q9 T. G. h; b: o1 C1 kif (item j( [credibility] of turtle (i + 1)) != -1)
7 y- ^2 V8 c& `% [9 Z;;判断是否给本turtle的评价质量做出过评价的节点; b# d# p. T7 { r
[set note (note + item j ([credibility]of turtle (i + 1)))/ A. V2 ]3 p C5 U5 Z
;;*(exp (-(people - 2)))/(people - 2))]2 i8 O8 A! L& N5 z8 S9 D
set k (k + 1)
3 g5 b! P" d% [$ q# i) x' E]
! \ f8 g1 L @# [6 Fset j (j + 1)" @5 g1 A. W- u$ P, x9 Q
]) j. n$ A! x$ m& m4 a0 |- v' M# `
set note (note *(exp (- (1 / k)))/ k)
, q# z/ P7 v& `8 n/ I- u' rset credibility-list (replace-item i credibility-list note)
2 n8 ?( M2 F3 z2 p* u; M; V1 M8 Wset i (i + 1)
/ `" u! Q$ ^% G1 q+ K]7 y0 {2 F6 S& @; s. P# \/ I
end3 U- N, R8 z' U' H5 s
$ ?, L% {, o- e* h5 ]! w7 K2 o+ x Y- O' f
to update-global-reputation-list9 v; b$ O. l0 ]6 W/ R! M
let j 0
% V9 ?. Y f+ S. K" e6 Kwhile[j < people]$ X, c! R. _& J% h( O
[6 P- @% U/ \" S. J
let new 08 }6 z0 B( [6 D: O+ ~
;;暂存新的一个全局声誉3 Y' j& ~0 ]2 F8 P
let i 0
3 @& K. i% m) Q3 \' }8 y$ g3 z8 Klet sum-money 08 p. J. ]) o# h9 ~ L: q. k' ?* f
let credibility-money 0
6 y! Z5 m1 d% ~# t# p+ C% e# w8 c+ ywhile [i < people]
0 g+ e1 f1 E- V3 S n[
5 s4 W* V. }5 Cset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))). a0 b H6 L# N7 f5 U
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))2 M+ G- L T. o- _0 ~3 b1 P
set i (i + 1)
% o& B. m, w2 g; _1 g]8 P% n6 P8 D9 V- B0 |9 t
let k 0# Z5 y0 W! L$ E+ w D3 K9 z2 y/ }: P! L
let new1 0
8 J0 Z9 |7 ?: R* y, s! G7 Kwhile [k < people]
+ Q, l, D' n& b# F r: o* q[
% T N, k( o( v. s/ }: T0 O( E% e: hset new1 (new1 + (item k credibility-list)* item 2(item k [trade-record-all] of turtle (j + 1))* (item 5 (last (item k [trade-record-all] of turtle(j + 1)))) / credibility-money)
% H- P- v, z9 n7 |# C9 C. ^set k (k + 1)4 f4 ~$ V$ b7 K; |
]1 s# A: p/ O J+ ?
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
9 `" y, d+ [6 P% @5 E1 mset global-reputation-list (replace-item j global-reputation-list new)) Z6 r0 ?* s5 M- }# j7 h9 }
set j (j + 1)
* t% S2 q3 H4 F0 ?9 n- G+ x]! U1 D' _( x' o/ v# T1 }
end
' s: O8 Z0 k* ~- s5 |9 Y' f/ o( ?9 D: ^& h
" Q8 I5 v$ \6 o
5 u0 S# s' m9 @/ G, h
to get-color
% t0 E) z( |9 s! X3 K/ V( L# B3 G6 f, _( B1 m# g9 s: y
set color blue* b$ h1 K* U1 v1 _
end& C+ f; c) P: r4 S
+ g4 \$ p1 a) {' Eto poll-class
; v: c" l+ H, Vend& t3 T" l2 `/ a+ p4 G. `- }/ D/ t7 A
6 ^) W! O" k4 Uto setup-plot1' q* ^, l% h% R
* L: }7 @$ N+ {/ a2 Nset-current-plot "Trends-of-Local-reputation"
; d# t, l2 H5 A6 I% w: g. F. F) K
set-plot-x-range 0 xmax# @+ w- O2 X% t6 K: {
3 V, W/ o- L& N2 }+ Y7 G( U* ~set-plot-y-range 0.0 ymax
6 C9 H1 |$ _: [end
W+ X; [/ O/ X/ M- ^% g% M% {0 N" ?3 i" f {' p1 D, A, H( A
to setup-plot2" f9 P$ }, K2 h/ n4 J
& V6 b6 q1 r# W- pset-current-plot "Trends-of-global-reputation"
2 T( j, P/ R' C- I- M
! M$ M1 l* G0 n* Bset-plot-x-range 0 xmax
3 o3 @6 Y O% v3 ` W! o6 {8 F7 ?9 T( ^* |
set-plot-y-range 0.0 ymax
0 Y; d3 I' E1 ?" Mend
2 F7 W1 |. w0 v% q& k$ A
1 `# h) {% u$ H6 J1 m8 [( m; Kto setup-plot3
4 A8 C O* V3 y' x" U# Z5 j7 g: y$ F7 z3 V, s
set-current-plot "Trends-of-credibility"7 D% }$ w2 x5 p1 R' Y# ]
3 Q) z, i. v( ~- F+ S- H! U9 Mset-plot-x-range 0 xmax; [( p8 c0 c, ]: w3 A
& m, B/ h% V+ [1 F( j; E, t2 f. E
set-plot-y-range 0.0 ymax
- k- T4 ~0 }+ G9 M3 Jend% J3 J' e/ x, [/ E0 V
9 c7 W3 e, L( P7 o3 U6 J/ f( Q2 ^
to do-plots
3 j$ m% L% |. w& k$ mset-current-plot "Trends-of-Local-reputation"1 @' z7 N0 K1 O1 n. ~
set-current-plot-pen "Honest service"
1 w6 r% w: D! a2 t4 w. }end
" P) A# ]/ B0 q. S
. c7 O$ { O; r5 t[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
本帖子中包含更多资源
您需要 登录 才可以下载或查看,没有帐号?注册
x
|